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Palamism or the Palamite theology comprises the teachings of Gregory Palamas (c. 1296–1359), whose writings defended the Eastern Orthodox practice of Hesychasm against the attack of Barlaam. Followers of Palamas are sometimes referred to as Palamites.
Seeking to defend the assertion that humans can become like God through deification without compromising God's transcendence, Palamas distinguished between God's inaccessible essence and the energies through which he becomes known and enables others to share his divine life. The central idea of the Palamite theology is a distinction between the divine essence and the divine energies that is not a merely conceptual distinction.
Palamism is a central element of Eastern Orthodox theology, being made into dogma in the Eastern Orthodox Church by the Hesychast councils. Palamism has been described as representing "the deepest assimilation of the monastic and dogmatic traditions, combined with a repudiation of the philosophical notion of the exterior wisdom".
Historically, Western Christianity has tended to reject Palamism, especially the essence–energies distinction, sometimes characterizing it as a heretical introduction of an unacceptable division in the Trinity. Further, the practices used by the later hesychasts used to achieve theosis were characterized as "magic" by the Western Christians. More recently, some Roman Catholic thinkers have taken a positive view of Palamas's teachings, including the essence–energies distinction, arguing that it does not represent an insurmountable theological division between Roman Catholicism and Eastern Orthodoxy.
The rejection of Palamism by the West and by those in the East who favoured union with the West (the "Latinophrones"), actually contributed to its acceptance in the East, according to Martin Jugie, who adds: "Very soon Latinism and Antipalamism, in the minds of many, would come to be seen as one and the same thing".
An exercise long used among Christians for acquiring contemplation, one "available to everyone, whether he be of the clergy or of any secular occupation", involves focusing the mind by constant repetition of a phrase or word. Saint John Cassian recommended use of the phrase "O God, make speed to save me: O Lord, make haste to help me". Another formula for repetition is the name of Jesus, or the Jesus Prayer, which has been called "the mantra of the Orthodox Church", although the term "Jesus Prayer" is not found in the Fathers of the Church. This exercise, which for the early Fathers represented just a training for repose, the later Byzantines developed into a spiritual work of its own, attaching to it technical requirements and various stipulations that became a matter of serious theological controversy (see below), and remain of great interest to Byzantine, Russian and other eastern churches.
Hesychasm is a form of constant purposeful prayer or experiential prayer, explicitly referred to as contemplation. It is to focus one's mind on God and pray to God unceasingly.
Under church tradition the practice of Hesychasm has it beginnings in the bible, Matthew 6:6 and the Philokalia. The tradition of contemplation with inner silence or tranquility is shared by all Eastern asceticism having its roots in the Egyptian traditions of monasticism exemplified by such Orthodox monastics as St Anthony of Egypt.
In the early 14th century, Gregory Sinaita learned hesychasm from Arsenius of Crete and spread the doctrine, bringing it to the monks on Mount Athos. The terms Hesychasm and Hesychast were used by the monks on Mount Athos to refer to the practice and to the practitioner of a method of mental ascesis that involves the use of the Jesus Prayer assisted by certain psychophysical techniques. The hesychasts stated that at higher stages of their prayer practice they reached the actual contemplation-union with the Tabor Light, i.e., Uncreated Divine Light or photomos seen by the apostles in the event of the Transfiguration of Christ and Saint Paul while on the road to Damascus.
Development of the doctrine
As an Athonite monk, Palamas had learned to practice Hesychasm. Although he had written about Hesychasm, it was not until Barlaam attacked it and Palamas as its chief proponent, that Palamas was driven to defend it in a full exposition which became a central component of Eastern Orthodox theology. The debate between the Palamites and Barlaamites continued for over a decade and resulted in a series of synods which culminated finally in 1351 when the Palamite doctrine was canonized as Eastern Orthodox dogma.
Early conflict between Barlaam and Palamas
Around 1330, Barlaam of Seminara came to Constantinople from Calabria in southern Italy, where he had grown up as a member of the Greek-speaking community there. It is disputed whether he was raised as an Orthodox Christian or converted to the Orthodox faith. He worked for a time on commentaries on Pseudo-Dionysius the Areopagite under the patronage of John VI Kantakouzenos. Around 1336, Gregory Palamas received copies of treatises written by Barlaam against the Latins, condemning their insertion of the Filioque into the Nicene Creed. Although this condemnation was solid Eastern Orthodox theology, Palamas took issue with Barlaam's argument in support of it, since Barlaam declared efforts at demonstrating the nature of God (specifically, the nature of the Holy Spirit) should be abandoned, because God is ultimately unknowable and undemonstrable to humans. Thus, Barlaam asserted that it was impossible to determine from whom the Holy Spirit proceeds. According to Sara J. Denning-Bolle, Palamas viewed Barlaam's argument as "dangerously agnostic". In his response titled "Apodictic Treatises", Palamas insisted that it was indeed demonstrable that the Holy Spirit proceeded from the Father but not from the Son. A series of letters ensued between the two but they were unable to resolve their differences amicably. According to J. Konstantinovsky, although both Barlaam and Palamas claimed Dionysius the Areopagite as their authority, their interpretations were radically different. Barlaam cited Dionysius' Mystical Theology to support the argument that God is unspeakable and therefore unknowable. Palamas cited Dionysius as a patristic authority that professed distinctions in God that Barlaam did not acknowledge.
Barlaam's attack on Hesychasm
Steven Runciman reports that, infuriated by Palamas' attacks against him, Barlaam vowed to humiliate Palamas by attacking the Hesychast teaching for which Palamas had become the chief proponent. Barlaam visited Thessalonica, where he made the acquaintance of monks who followed the Hesychast teachings. Runciman describes these monks as ignorant and lacking a real understanding of the Hesychast teaching. Barlaam issued a number of treatises mocking the absurdity of the practices which he reported included, "miraculous separations and reunions of the spirit and the soul, of the traffic which demons have with the soul, of the difference between red lights and white lights, of the entry and departure of the intelligence through the nostrils with the breath, of the shields that gather together round the navel, and finally of the union of Our Lord with the soul, which takes place in the full and sensible certitude of the heart within the navel." Barlaam said that the monks had claimed to see the divine essence with bodily eyes, which he viewed as sheer Messalianism. When asked about the light which they saw, the monks told him that it was neither of the superessential Essence nor an angelic essence nor the Spirit itself, but that the spirit contemplated it as another hypostasis. Barlaam commented snidely, "I must confess that I do not know what this light is. I only know that it does not exist."
According to Runciman, Barlaam's attack struck home. He had shown that, in the hands of monks who were inadequately instructed and ignorant of the true Hesychast teaching, the psycho-physical precepts of Hesychasm could produce "dangerous and ridiculous results". To many of the Byzantine intellectuals, Hesychasm appeared "shockingly anti-intellectual" Barlaam nicknamed the Hesychasts "Omphaloscopoi" (the navel-gazers); the nickname has coloured the tone of most subsequent Western writing about the Byzantine mystics. However, Barlaam's triumph was short-lived. Ultimately, the Byzantines had a deep respect for mysticism even if they didn't understand it. And, in Palamas, Barlaam found an opponent who, in Runciman's opinion, was more than his equal in knowledge, intellect and expository skills.
The First Triad
In response to Barlaam's attacks, Palamas wrote nine treatises entitled "Triads For The Defense of Those Who Practice Sacred Quietude". The treatises are called "Triads" because they were organized as three sets of three treatises.
The Triads were written in three stages. The first triad was written in the second half of the 1330s and are based on personal discussions between Palamas and Barlaam although Barlaam is never mentioned by name.
The Hagioritic Tome
Gregory's teaching was affirmed by the superiors and principal monks of Mt. Athos, who met in synod during 1340–1. In early 1341, the monastic communities of Mount Athos wrote the Hagioritic Tome under the supervision and inspiration of Palamas. Although the Tome does not mention Barlaam by name, the work clearly takes aim at Barlaam's views. The Tome provides a systematic presentation of Palamas' teaching and became the fundamental textbook for Byzantine mysticism.
Barlaam also took exception to the doctrine held by the Hesychasts as to the uncreated nature of the light, the experience of which was said to be the goal of Hesychast practice, regarding it as heretical and blasphemous. It was maintained by the Hesychasts to be of divine origin and to be identical to the light which had been manifested to Jesus' disciples on Mount Tabor at the Transfiguration. Barlaam viewed this doctrine of "uncreated light" to be polytheistic because as it postulated two eternal substances, a visible and an invisible God. Barlaam accuses the use of the Jesus Prayer as being a practice of Bogomilism.
The Second Triad
The second triad quotes some of Barlaam's writings directly. In response to this second triad, Barlaam composed the treatise "Against the Messalians" linking the hesychasts to the Messalians and thereby accusing them of heresy. In "Against the Messalians", Barlaam attacked Gregory by name for the first time. Barlaam derisively called the Hesychasts omphalopsychoi (men with their souls in their navels) and accused them of the heresy of Messalianism, also known as Bogomilism in the East. According to Meyendorff, Barlaam viewed "any claim of real and conscious experience of God as Messalianism". 
The Third Triad
In the third Triad, Palamas refuted Barlaam's charge of Messalianism by demonstrating that the Hesychasts did not share the antisacramentalism of the Messalians nor did they claim to physically see the essence of God with their eyes. Meyendorff writes that "Palamas orients his entire polemic against Barlaam the Calabrian on the issue of the Hellenic wisdom which he considers to be the main source of Barlaam’s errors."
Role in the Byzantine civil war
Although the civil war between the supporters of John VI Kantakouzenos and the regents for John V Palaeologus was not primarily a religious conflict, the theological dispute between the supporters and opponents of Palamas did play a role in the conflict. Although several significant exceptions leave the issue open to question, in the popular mind (and traditional historiography), the supporters of "Palamism" and of "Kantakouzenism" are usually equated. Steven Runciman points out that "while the theological dispute embittered the conflict, the religious and political parties did not coincide." The aristocrats supported Palamas largely due to their conservative and anti-Western tendencies as well as their links to the staunchly Orthodox monasteries. Nonetheless, it was not until the triumph of Kantakouzenos in taking Constantinople in 1347 that the Palamists were able to achieve a lasting victory over the anti-Palamists. When Kantakouzenos was deposed in 1354, the anti-Palamists were not able to again prevail over the Palamists as they had in the past. Martin Jugie attributes this to the fact that, by this time, the patriarchs of Constantinople and the overwhelming majority of the clergy and laity had come to view the cause of Hesychasm as one and the same with that of Orthodoxy.
Hesychast councils at Constantinople
It became clear that the dispute between Barlaam and Palamas was irreconcilable and would require the judgment of an episcopal council. A series of six patriarchal councils, also known as the Hesychast synods, was held in Constantinople on 10 June and August 1341, 4 November 1344, 1 and 8 February 1347 and 28 May 1351 to consider the issues. Collectively, these councils are accepted as having ecumenical status by some Eastern Orthodox Christians, who call them the Fifth Council of Constantinople and the Ninth Ecumenical Council.
The dispute over Hesychasm came before a synod held at Constantinople in May 1341 and presided over by the emperor Andronicus III. The assembly, influenced by the veneration in which the writings of Pseudo-Dionysius were held in the Eastern Church, condemned Barlaam, who recanted. Although Barlaam initially hoped for a second chance to present his case against Palamas, he soon realised the futility of pursuing his cause, and left for Calabria where he converted to the Roman Catholic Church and was appointed Bishop of Gerace.
After Barlaam's departure, Gregory Akindynos became the chief critic of Palamas. A second council held in Constantinople in August 1341 condemned Akindynos and affirmed to findings of the earlier council. Akindynos and his supporters gained a brief victory at the third synod held in 1344, which excommunicated Palamas and one of his disciples, Isidore Buchiras. Palamas and Buchiras recanted.
In 1347, however, their protector, John VI Kantakouzenos, entered Constantinople and forced his opponents to crown him co-emperor. In February 1347, a fourth synod was held which deposed the patriarch, John XIV, and excommunicated Akindynos. Isidore Buchiras, who had been excommunicated by the third synod, was now made patriarch. In the same month, the Barlaamite party held a competing synod which refused to acknowledge Isidore and excommunicated Palamas. Akindynos having died in 1348, Nicephorus Gregoras became the chief opponent of Hesychasm.
Sometime between 1344 and 1350, Palamas wrote the Capita 150 ("One hundred and fifty chapters"). Robert E. Sinkewicz describes this work as an attempt to "recapture the larger vision that had become obscured by the minutiae of the debates." Sinkewicz asserts that "among the polemical works of Palamas, the "Capita 150" is comparable only in importance to "The Triads".
When Isidore I died in 1349, the Hesychasts replaced him by one of their monks, Callistus.
In May 1351, a patriarchal council conclusively exonerated Palamas and condemned his opponents. All those who were unwilling to submit to the orthodox view were to be excommunicated and kept under surveillance at their residences. A series of anathemas were pronounced against Barlaam, Akindynos and their followers; at the same time, a series of acclamations were also declared in favor of Gregory Palamas and the adherents of his doctrine.
Recognition that Palamas is in Accordance with the Earlier Church Fathers
After the triumph of the Palæologi, the Barlaamite faction convened an anti-Hesychast synod at Ephesus but, by this time, the patriarchs of Constantinople and the overwhelming majority of the clergy and laity had come to view the cause of Hesychasm as one and the same with that of Orthodoxy. Those who opposed it were accused of Latinizing. Martin Jugie states that the opposition of the Latins and the Latinophrones, who were necessarily hostile to the doctrine, actually contributed to its adoption, and soon Latinism and Antipalamism became equivalent in the minds of many Orthodox Christians.
However, although the Barlaamites could no longer win over the hierarchy of the Eastern Orthodox Church in a synod, neither did they submit immediately to the new doctrine. Throughout the second half of the fourteenth century, there are numerous reports of Christians returning from the "Barlaamite heresy" to Palamite orthodoxy, suggesting that the process of imposing universal acceptance of Palamism spanned several decades.
Callistus I and the ecumenical patriarchs who succeeded him mounted a vigorous campaign to have the new doctrine accepted by the other Eastern patriarchates as well as all the metropolitan sees under their jurisdiction. However, it took some time to overcome initial resistance to the doctrine. Manuel Kalekas reports on this repression as late as 1397. Examples of resistance included the metropolitan of Kiev and the patriarch of Antioch; similar acts of resistance were seen in the metropolitan sees that were governed by the Latins as well as in some autonomous ecclesiastical regions, such as the Church of Cyprus. However, by the end of the fourteenth century, Palamism had become accepted in those locations as well as in all the other Eastern patriarchates.
One notable example of the campaign to enforce the orthodoxy of the Palamist doctrine was the action taken by patriarch Philotheos I to crack down on Demetrios and Prochorus Cydones. The two brothers had continued to argue forcefully against Palamism even when brought before the patriarch and enjoined to adhere to the orthodox doctrine. Finally, in exasperation, Philotheos convened a synod against the two Cydones in April 1368. However, even this extreme measure failed to effect the submission of Cydones and in the end, Prochorus was excommunicated and suspended from the clergy in perpetuity. The long tome that was prepared for the synod concludes with a decree canonizing Palamas who had died in 1359.
Despite the initial opposition of the anti-Palamites and some patriarchates and sees, the resistance dwindled away over time and ultimately Palamist doctrine became accepted throughout the Eastern Orthodox Church. During this period, it became the norm for ecumenical patriarchs to profess the Palamite doctrine upon taking possession of their see. For theologians who remained in opposition, there was ultimately no choice but to emigrate and convert to the Latin church, a path taken by Kalekas as well as Demetrios Kydones and Ioannes Kypariossiotes.
According to Aristeides Papadakis, "all (modern) Orthodox scholars who have written on Palamas — Lossky, Krivosheine, Papamichael, Meyendorff, Christou — assume his voice to be a legitimate expression of Orthodox tradition."
In Eastern Orthodoxy, theology is not treated as an academic pursuit; instead, it is based on revelation (see gnosiology), meaning that Orthodox theology and its theologians are validated by ascetic pursuits, rather than academic degrees (i.e.scholasticism).
John Romanides quotes Saint Gregory of Nazianzus as asserting that one cannot be a genuine or a true theologian or teach knowledge of God without having experienced God, as is defined as the vision of God (theoria). Theoria is obtained according to Eastern Orthodox theology by way of contemplative prayer called hesychasm and is the vision of God as the uncreated light i.e. the light of Tabor. Palamas himself explicitly stated that he had seen the uncreated light of Tabor and had the vision of God called theoria. Theosis is deification obtained through the practice of Hesychasm and theoria is one of its last stages as theosis is catharsis, theoria, and then completion of deification or theosis.
Synodikon of the Sunday of Orthodoxy
The most recent set of anathemas that were added to the Synodikon of Orthodoxy is titled "Chapters against Barlaam and Akindynos"; these contain anathemas and acclamations that are the expression of the official Palamist doctrine. The Synodikon thus canonizes the principal theses formulated by Gregory Palamas :
- The light which shone at Tabor, during the Transfiguration of the Savior, is declared to be neither a creature nor the essence of God, but the uncreated and natural grace and illumination fountaining eternally and inseparably from the divine essence itself: μήτε κτίσμα εἶναι θειότατον ἐκεῖνο φῶς μήτε οὐσίαν Θεοῦ, ἀλλ᾽ ἄκτιστον καὶ φυσικὴν χάριν καὶ ἔλλαμψιν ἐξ αὐτῆς τῆς θείας οὐσίας ἀχωρίστως ἀεὶ προϊοῦσαν (1st anathema).
- There are in God two inseparable things: the essence and the natural and substantial operation flowing from the essence in line with the relationship of cause and effect. The essence is imparticipable, the operation is participable; both the one and the other are uncreated and eternal: κατὰ τὸ τῆς Ἐκκλησίας εὐσεβὲς φρόνημα ὁμολογοῦμεν οὐσίαν ἐπὶ Θεοῦ καὶ οὐσιώδε καὶ φυσικὴν τούτου ἐνέργειαν ... εἶναι καὶ διαφορὰν ἀδιάστατον κατὰ τὰ ἄλλα καὶ μάλιστα τὰ αἴτιον καὶ αἰτιατόν, καὶ ἀμέθεκτον καὶ μεθεκτόν, τὸ μὲν τῆς οὐσίας, τὸ δὲ ἐνεργείας (2nd anathema).
- This real distinction between essence and operation does not destroy the simplicity of God, as the saints teach together with the pious mindset of the Church: κατὰ τὰς τῶν ἁγίων θεοπνεύστους θεολογίας καὶ τὸ τῆς Ἐκκλησίας εὐσεβὲς φρόνημα, μετὰ τῆς θεοπρεποῦς ταύτης διαφορᾶς καὶ τὴν θείαν ἁπλότητα πάνυ καλῶς διασώζεσθαι (4th anathema).
- The word θεότης does not apply solely to the divine essence, but is said also of its operation, according to the inspired teaching of the saints and the mindset of the Church.
- The light of Tabor is the ineffable and eternal glory of the Son of God, the kingdom of heaven promised to the saints, the splendor in which he shall appear on the last day to judge the living and the dead: δόξαν ἀπόρρητον τῆς θεότητος, ἄχρονον τοῦ Υἱοῦ δόξαν καὶ βασιλείαν καὶ κάλλος ἀληθινὸν καὶ ἐράσμιον (6th acclamation).
Addressing the question of how it is possible for man to have knowledge of a transcendent and unknowable God, Palamas drew a distinction between knowing God in his essence (Greek ousia) and knowing God in his energies (Greek energeiai). The divine energies concern the mutual relations between the Persons of the Trinity (within the divine life) and also God's relation with creatures, to whom they communicate the divine life. According to Palamas, God's essence and his energies are differentiated from all eternity, and the distinction between them is not merely a distinction drawn by the human mind. He maintained the Orthodox doctrine that it remains impossible to know God in His essence (to know who God is in and of Himself), but possible to know God in His energies (to know what God does, and who He is in relation to the creation and to man), as God reveals himself to humanity. In doing so, he made reference to the Cappadocian Fathers and other earlier Christian writers and Church fathers.
While critics of his teachings argue that this introduces an unacceptable division in the nature of God, Palamas' supporters argue that this distinction was not an innovation but had in fact been introduced in the 4th century writings of the Cappadocian Fathers. Gregory taught that the energies or operations of God were uncreated. He taught that the essence of God can never be known by his creature even in the next life, but that his uncreated energies or operations can be known both in this life and in the next, and convey to the Hesychast in this life and to the righteous in the next life a true spiritual knowledge of God. In Palamite theology, it is the uncreated energies of God that illumine the Hesychast who has been vouchsafed an experience of the Uncreated Light.
Historically, Western Christianity has tended to reject the essence–energies distinction, characterizing it as a heretical introduction of an unacceptable division in the Trinity and suggestive of polytheism. Further, the associated practice of hesychasm used to achieve theosis was characterized as "magic". Eastern Orthodox theologians have criticized Western theology, and its traditional theory that God is pure actuality in particular, for its alleged incompatibility with the essence–energies distinction.
More recently, some Roman Catholic thinkers have taken a positive view of Palamas's teachings, including the essence–energies distinction, arguing that it does not represent an insurmountable theological division between Roman Catholicism and Eastern Orthodoxy.
According to the teachings of Eastern Orthodox Christianity, the quintessential purpose and goal of the Christian life is to attain theosis or 'deification', understood as 'likeness to' or 'union with' God. Theosis refers to the attainment of likeness to or union with God, as deification has three stages in its process of transformation. Theosis as such is the goal, it is the purpose of life, and it is considered achievable only through a synergy (or cooperation) between humans' activities and God's uncreated energies (or operations).
Theosis results from leading a pure life, practicing restraint and adhering to the commandments, putting the love of God before all else. This metamorphosis (transfiguration) or transformation results from a deep love of God. Theoria is achieved by the pure of heart who are no longer subject to the afflictions of the passions. It is a gift from the Holy Spirit to those who, through observance of the commandments of God and ascetic practices (see praxis, kenosis, Poustinia and schema), have achieved dispassion. According to the standard ascetic formulation of this process, there are three stages: katharsis or purification, theoria or illumination, and theosis or deification (also referred to as union with God).
Palamism uses the essence–energies distinction to explain how theosis is possible despite God's transcendence. According to Palamism, the divine essence remains transcendent and inaccessible, even after the Incarnation and the sending of the Holy Spirit. Theosis is possible because of God's energies, "through which God becomes known to us and makes us share in the divine life".
In Eastern Orthodox theology, theoria refers to a stage of illumination on the path to theosis, in which one beholds God. Theosis is obtained by engaging in contemplative prayer resulting from the cultivation of watchfulness (Gk:nepsis). In its purest form, theoria is considered as the 'beholding', 'seeing' or 'vision' of God.
Following Christ's instruction to "go into your room or closet and shut the door and pray to your father who is in secret" (Matthew 6:6), the hesychast withdraws into solitude in order that he or she may enter into a deeper state of contemplative stillness. By means of this stillness, the mind is calmed, and the ability to see reality is enhanced. The practitioner seeks to attain what the apostle Paul called 'unceasing prayer'.
Palamas synthesized the different traditions of theoria into an understanding of theoria that, through baptism, one receives the Holy Spirit. Through participation in the sacraments of the Church and the performance of works of faith, one cultivates a relationship with God. If one then, through willful submission to God, is devotional and becomes humble, akin to the Theotokos and the saints, and proceeds in faith past the point of rational contemplation, one can experience God. Palamas stated that this is not a mechanized process because each person is unique, but that the apodictic way that one experiences the uncreated light, or God, is through contemplative prayer called hesychasm. Theoria is cultivated through each of the steps of the growing process of theosis.
The only true way to experience Christ, according to Palamas, was the Eastern Orthodox faith. Once a person discovers Christ (through the Orthodox church), they begin the process of theosis, which is the gradual submission to the Truth (i.e. God) in order to be deified (theosis). Theoria is seen to be the experience of God hypostatically in person. However, since the essence of God is unknowable, it also cannot be experienced. Palamas expressed theoria as an experience of God as it happens to the whole person (soul or nous), not just the mind or body, in contrast to an experience of God that is drawn from memory, the mind, or in time.
Hesychasm is an eremitic tradition of prayer in the Eastern Orthodox Church, and some of the Eastern Catholic Churches, such as the Byzantine Rite, practised (Gk: ἡσυχάζω, hesychazo: "to keep stillness") by the Hesychast (Gr. Ἡσυχαστής, hesychastes).
Based on Christ's injunction in the Gospel of Matthew to "go into your closet to pray", hesychasm in tradition has been the process of retiring inward by ceasing to register the senses, in order to achieve an experiential knowledge of God (see theoria).
Palamas taught that the "glory of God" revealed in various episodes of Jewish and Christian Scripture (e.g., the burning bush seen by Moses, the Light on Mount Tabor at the Transfiguration) was in fact the uncreated Energies of God (i.e., the grace of God). In opposition to this teaching, Barlaam held that they were created effects, because no part of God whatsoever could be directly perceived by humans. The Orthodox interpreted his position as denying the renewing power of the Holy Spirit, which, in the words of various Orthodox hymns, "made apostles out of fishermen" (i.e., makes saints even out of uneducated people). In his anti-hesychastic works Barlaam held that knowledge of worldly wisdom was necessary for the perfection of the monks and denied the possibility of the vision of the divine life.
Palamas taught that the truth is a person, Jesus Christ, a form of objective reality. In order for a Christian to be authentic, he or she must experience the Truth (i.e. Christ) as a real person (see hypostasis). Gregory further asserted that when Peter, James and John witnessed the Transfiguration of Jesus on Mount Tabor, that they were in fact seeing the uncreated light of God; and that it is possible for others to be granted to see that same uncreated light of God with the help of certain spiritual disciplines and contemplative prayer, although not in any automatic or mechanistic fashion.
St. Maximus, whose teaching is cited by St, Gregory, says that the Apostles saw the uncreated Light  Gnosis and all knowledge are created, as they are derived or created from experience, self-awareness and spiritual knowledge. Theoria, here, is the experience of the uncreated in various degrees, i.e. the vision of God or to see God. The experience of God in the eighth day or outside of time therefore transcends the self and experiential knowledge or gnosis. Gnosis is most importantly understood as a knowledge of oneself; theoria is the experience of God, transcending the knowledge of oneself.
Influence on the East-West Schism
The Hesychasm or Palamite controversy was not a conflict between Orthodoxy and the Papacy. However, some Orthodox sources assert that it resulted in a direct theological conflict between Eastern Orthodox theology and the rise of Papal authority and Western or Latin theology based on Scholasticism.
In 1966, Nicholas Wiseman characterized Gregory Palamas as "the only major Orthodox spokesman since the schism with Rome" and asserted that a positive reassessment of his theology "would surely benefit the cause of unity."
Initial Western reactions
While the Eastern Church went through a tempestuous period in which the controversy was heatedly debated resulting ultimately in a series of councils alternately approving and condemning doctrine concerning hesychasm, the Western Church paid scant attention to the controversy in the East and made no pronouncement about it, although Western theologians generally rejected the Palamite doctrine until the 20th century, when they began to "rediscover the riches of the Orthodox tradition".
Essence and energies distinction
From Palamas's time until the 20th century, Western theologians generally rejected the contention that, in the case of God, the distinction between essence and energies is real rather than notional (in the mind). In their view, affirming an ontological essence–energies distinction in God contradicted the teaching of the First Council of Nicaea on divine unity. According to Adrian Fortescue, the scholastic theory that God is pure actuality prevented Palamism from having much influence in the West, and it was from Western scholasticism that hesychasm's philosophical opponents in the East borrowed their weapons.
Ludwig Ott held that a lack of distinction between the divine essence and the divine attributes was a dogma of the Roman Catholic Church, adding, "In the Greek Church, the 14th century mystic-quietistic Sect of the Hesychasts or Palamites [...] taught a real distinction between the Divine Essence [...] and the Divine Efficacy or the Divine attributes." In contrast, Jürgen Kuhlmann argues that the Roman Catholic Church never judged Palamism to be heretical, adding that Palamas did not consider that the distinction between essence and energies in God made God composite. According to Kuhlmann, "the denial of a real distinction between essence and energies is not an article of Catholic faith". The Enchiridion Symbolorum et Definitionum (Handbook of Creeds and Definitions), the collection of Roman Catholic teachings originally compiled by Heinrich Joseph Dominicus Denzinger, has no mention of the words "energies", "hesychasm" or "Palamas".
Confusion with Quietism
Western theologians often equated Palamism with Quietism, an identification that may have been motivated in part by the fact that "quietism" is the literal translation of "hesychasm". However, according to Gordon Wakefield, "To translate 'hesychasm' as 'quietism', while perhaps etymologically defensible, is historically and theologically misleading." Wakefield asserts that "the distinctive tenets of the seventeenth century Western Quietists is not characteristic of Greek hesychasm." Similarly, Kallistos Ware argues that it is important not to translate "hesychasm" as "quietism".
Continuance into early 20th century
The opposition of Western theologians to Palamism continued into the early 20th century. In the Catholic Encyclopedia of 1909, Simon Vailhé accused Palamas's teachings that humans could achieve a corporal perception of the Divinity and his distinction between God's essence and his energies as "monstrous errors" and "perilous theological theories". He further characterized the Eastern canonization of Palamas's teachings as a "resurrection of polytheism". Fortescue, also writing in the Catholic Encyclopedia, claimed that "the real distinction between God's essence and operation remains one more principle, though it is rarely insisted on now, in which the Orthodox differ from Catholics".
Modern rediscovery of Palamas
Among Orthodox theologians
According to Norman Russell, Orthodox theology was dominated by an "arid scholasticism" for several centuries after the fall of Constantinople. Russell asserts that, after the Second World War, modern Greek theologians have re-engaged with the Greek Fathers with the help of diaspora theologians and Western patristic scholars. Included in this re-engagement with the Greek Fathers has been a rediscovery of Palamas by Greek theologians.
According to Michael Angold, the "rediscovery of [Palamas'] writings by theologians of the last century has played a crucial role in the construction of present-day Orthodoxy. A pioneering work was Gregorios Papamichael's, Ο Άγιος Γρηγόριος ο Παλαμάς (St Petersburg/Alexandria, 1911), a serious study which had, however, little impact on Orthodox theology at the time. It was of course Vladimir Lossky, in his Essai sur la théologie mystique de l'Eglise d'Orient (Paris, 1944; English translation, London, 1957), who first brought Palamism to the attention of a wider public, non-Orthodox as well as Orthodox.
Roman Catholic Jean-Yves Lacoste describes Meyendorff's characterization of Palamas' theology and the reception of Meyendorff's thesis by the Orthodox world of the latter half of the 20th century:
For J. Meyendorff, Gregory Palamas has perfected the patristic and concilar heritage, against the secularizing tide that heralds the Renaissance and the Reformation, by correcting its Platonizing excesses along biblical and personalist lines. Palamitism, which is impossible to compress into a system, is then viewed as the apophatic expression of a mystical existentialism. Accepted by the Orthodox world (with the exception of Romanides), this thesis justifies the Palamite character of contemporary research devoted to ontotheological criticism (Yannaras), to the metaphysics of the person (Clement), and to phenomenology of ecclesiality (Zizioulas) or of the Holy Spirit (Bobrinskoy).
A number of Orthodox theologians such as John Romanides have criticized Meyendorff's understanding of Palamas. Romanides criticizes Meyendorff’s analysis of the disagreement between Palamas and Barlaam, as well as Meyendorff’s claim that the disagreement represents an internal conflict within Byzantine theology rather than "a clash between Franco-Latin and East Roman theology, as has been generally believed". Romanides also criticizes Meyendorff for attributing numerous "originalities" to Palamas and for portraying Palamas as applying "Christological correctives" to the Platonism of Dionysius the Areopagite. According to Duncan Reid, the debate between Meyendorff and Romanides centered on the relationship between nominalism and Palamite theology.
Orthodox Christian Clark Carlton, host of Ancient Faith Radio, has objected to the term "Palamism". According to Carlton, Palamas's teachings express an Orthodox tradition that long preceded Palamas, and "Roman Catholic thinkers" coined the term "Palamism" in order to "justify their own heresy by giving what is the undoubted and traditional teaching of the Orthodox Church an exotic label, turning it into an historically conditioned 'ism'".
Among Western theologians
Jeffrey D. Finch asserts that "the future of East-West rapprochement appears to be overcoming the modern polemics of neo-scholasticism and neo-Palamism".
The last half of the twentieth century saw a remarkable change in the attitude of Roman Catholic theologians to Palamas, a "rehabilitation" of him that has led to increasing parts of the Western Church considering him a saint, even if formally uncanonized. The work of Orthodox theologian, John Meyendorff, is considered to have transformed the opinion of the Western Church regarding Palamism. Patrick Carey asserts that, before Meyendorff's 1959 doctoral dissertation on Palamas, Palamism was considered by Western theologians to be a "curious and sui generis example of medieval Byzantium's intellectual decline". Andreas Andreopoulos cites the 1910 Catholic Encyclopedia article by Fortescue as an example of how Barlaam's distrustful and hostile attitude regarding hesychasm survived until recently in the West, adding that now "the Western world has started to rediscover what amounts to a lost tradition. Hesychasm, which was never anything close to a scholar's pursuit, is now studied by Western theologians who are astounded by the profound thought and spirituality of late Byzantium." Carey characterizes Meyendorff's thesis as a landmark study of Palamas that "set Palamas firmly within the context of Greek patristic thought and spirituality" with the result that Palamism is now generally understood to be "a faithful witness to the long-standing Eastern Christian emphasis on deification (theosis) as the purpose of the divine economy in Christ." Meyendorff himself describes the twentieth-century rehabilitation of Palamas in the Western Church as a "remarkable event in the history of scholarship." According to Kallistos Ware, some Western theologians, both Roman Catholic and Anglican, see the theology of Palamas as introducing an inadmissible division within God. However, some Western scholars maintain that there is no conflict between Palamas's teaching and Roman Catholic thought. For example, G. Philips asserts that the essence–energies distinction as presented by Palamas is "a typical example of a perfectly admissible theological pluralism" that is compatible with the Roman Catholic magisterium. Some Western theologians have incorporated the essence–energies distinction into their own thinking.
Some Roman Catholic writers, in particular G. Philips and A.N. Williams, deny that Palamas regarded the distinction between the Essence and Energies of God as a real distinction, and Orthodox theologian David Bentley Hart also indicated his hesitancy to accept the view that for Palamas it was, in the full scholastic sense, a real distinction, rather than a formal distinction in the Scotist sense.
- Gerald O'Collins, Edward G. Farrugia. A Concise Dictionary of Theology (Paulist Press 2000) p. 186/260.
- Fred Sanders, The Image of the Immanent Trinity (Peter Lang 2005), p. 33.
- Nichols, Aidan (1995). Light from the East: Authors and Themes in Orthodox Theology. Part 4. Sheed and Ward. p. 50. ISBN 9780722050811. https://books.google.com/books?id=S71LD61qImUC&pg=PA50.
- Fortescue, Adrian (1910), Hesychasm, VII, New York: Robert Appleton Company, http://www.newadvent.org/cathen/07301a.htm, retrieved 2008-02-03
- Hastings, Adrian; Mason, Alistair; Pyper, Hugh S. (2000). The Oxford companion to Christian thought. Oxford University Press US. p. 88. ISBN 978-0-19-860024-4. https://archive.org/details/oxfordcompaniont00hast. "[T]he ending of iconoclasm coincided with a renewal of the monastic life, heralded by the Studite reform of Theodore in the interlude between the first and second periods of iconoclasm. […] The renewal of monasticism led to a deepening sense of the importance of the inner wisdom represented by the monks. A pivotal figure in this, controversial in his time, was Symeon the New Theologian."
- John Meyendorff (editor),Gregory Palamas – The Triads, p. xi
- "No doubt the leaders of the party held aloof from these vulgar practices of the more ignorant monks, but on the other hand they scattered broadcast perilous theological theories. Palamas taught that by asceticism one could attain a corporal, i.e. a sense view, or perception, of the Divinity. He also held that in God there was a real distinction between the Divine Essence and Its attributes, and he identified grace as one of the Divine propria making it something uncreated and infinite. These monstrous errors were denounced by the Calabrian Barlaam, by Nicephorus Gregoras, and by Acthyndinus. The conflict began in 1338 and ended only in 1368, with the solemn canonization of Palamas and the official recognition of his heresies. He was declared the 'holy doctor' and 'one of the greatest among the Fathers of the Church', and his writings were proclaimed 'the infallible guide of the Christian Faith'. Thirty years of incessant controversy and discordant councils ended with a resurrection of polytheism" Simon Vailhé (1909). "Greek Church". Catholic Encyclopedia, New York: Robert Appleton Company. http://www.newadvent.org/cathen/06752a.htm.
- Michael J. Christensen, Jeffery A. Wittung (editors), Partakers of the Divine Nature (Associated University Presses 2007 ISBN:0-8386-4111-3), pp. 243–244
- "Martin Jugie, The Palamite Controversy". 13 June 2009. http://bekkos.wordpress.com/martin-jugie-the-palamite-controversy/6-palamism-as-official-church-doctrine/.
- Orthodox Prayer Life: The Interior Way, p. 59
- John Cassian, Conferences, 10, chapters 10–11
- Nicholas Cabasilas, The Life in Christ (St Vladimir's Seminary Press 19740-913836-12-5), p. 32
- James W. Skehan, Place Me with Your Son (Georgetown University Press 1991 ISBN:0-87840-525-9), p. 89
- Laurence Freeman 1992 "The Jesus prayer is clearly the mantra of the Orthodox Church."
- John S. Romanides, Some Underlying Positions of This Website, 11, note
- Orthodox Prayer Life: The Interior Way, p. 58
- 9. The Ninth Ecumenical Council of 1341 condemned the Platonic mysticism of Barlaam the Calabrian who had come from the West as a convert to Orthodoxy. Of course the rejection of Platonic type of mysticism was traditional practice for the Fathers. But what the Fathers of this Council were completely shocked at was Barlaam’s claim that God reveals His will by bringing into existence creatures to be seen and heard and which He passes back into non existence after His revelation has been received. One of these supposed creatures was the Angel of The Lord Himself Who appeared to Moses in the burning bush. For the Fathers of the Ecumenical Councils this Angel is the uncreated Logos Himself. This unbelievable nonsense of Barlaam turned out to be that of Augustine himself. (see e.g. his De Trinitate, Books A and B) and of the whole Franco-Latin tradition till today" (John S. Romanides, Underlying Positions of This Website).
- Jugie, Martin. "Barlaam, est-il ne catholique? EO, 39 (1940) 100–125.
- Saint Gregory Palamas (1999). Dialogue Between an Orthodox and a Barlaamite. Global Academic Publishing. p. 3. ISBN 9781883058210. https://books.google.com/books?id=CqljFEGjWJEC&q=Pseudo-Dionysius+Palamas&pg=PA3.
- Papers Presented at the Fourteenth International Conference on Patristic Studies Held in Oxford 2003: . Other Greek writers; John of Damascus and beyond; The West to Hilary p. 318
- Runciman, Steven (1986). The Great Church in captivity: a study of the Patriarchate of Constantinople from the eve of the Turkish conquest to the Greek War of Independence. Cambridge University Press. p. 141. ISBN 9780521313100. https://books.google.com/books?id=Vm5OGIBgoHMC&q=Synodicon+of+Orthodoxy+Palamas&pg=PA144.
- Runciman, Steven (1986). The Great Church in captivity: a study of the Patriarchate of Constantinople from the eve of the Turkish conquest to the Greek War of Independence. Cambridge University Press. p. 142. ISBN 9780521313100. https://books.google.com/books?id=Vm5OGIBgoHMC&q=Synodicon+of+Orthodoxy+Palamas&pg=PA144.
- Merriam-Webster's encyclopedia of world religions. Merriam-Webster, Inc. 1999. p. 836. https://archive.org/details/isbn_9780877790440. "Hagioritic Tome Palamas."
- Parry (1999), p. 231
- 1. His teaching about the light on Mt. Tabor, which he claimed was created. 2. His criticisms of the Jesus Prayer, which he accused of being a practise of the Bogomils; also charged it with not proclaiming Christ as God. Gregory Palamas: Historical Timeline Appendix I:Timeline: Barlaam and the Councils of 1341 from Baron Meyendorff "Monachos.net - Gregory Palamas: Historical Timeline". http://www.monachos.net/content/patristics/studies-fathers/63-gregory-palamas-historical-timeline.
- "Gregory Palamas: An Historical Overview". http://www.monachos.net/content/patristics/studies-fathers/61-gregory-palamas-an-historical-overview?title=Gregory_Palamas:_An_Historical_Overview.
- Palamas, Saint Gregory; Meyendorff, John (1983). Gregory Palamas. Paulist Press. p. 4. ISBN 9780809124473. https://books.google.com/books?id=8jcjtUbwptwC&q=Palamas+Messalianism&pg=PA4.
- "accusing Gregory Palamas of Messalianism" (Antonio Carile, Η Θεσσαλονίκη ως κέντρο Ορθοδόξου θεολογίας – προοπτικές στη σημερινή Ευρώπη (Thessaloniki 2000, pp. 131–140), English translation provided by the Apostoliki Diakonia of the Church of Greece).
- NOTES ON THE PALAMITE CONTROVERSY and RELATED TOPICS by John S. Romanides The Greek Orthodox Theological Review, Volume VI, Number 2, Winter, 1960–61. Published by the Holy Cross Greek Orthodox Theological School Press, Brookline, Massachusetts.
- Fr. John Meyendorf (1987). Byzantine Theology: Historical trends and doctrinal themes (2nd ed.). Fordham University Press. ISBN 978-0-8232-0967-5.
- Kazhdan 1991, p. 923.
- Jeffreys, Haldon & Cormack 2009, pp. 289–290.
- Runciman, Steven (1986). The Great Church in captivity: a study of the Patriarchate of Constantinople from the eve of the Turkish conquest to the Greek War of Independence. Cambridge University Press. p. 146. ISBN 9780521313100. https://books.google.com/books?id=Vm5OGIBgoHMC&q=Synodicon+of+Orthodoxy+Palamas&pg=PA144.
- Treadgold 1997, p. 815
- Jugie, Martin (13 June 2009). "The Palamite Controversy". http://bekkos.wordpress.com/martin-jugie-the-palamite-controversy/6-palamism-as-official-church-doctrine/.
- Gregory Palamas: Historical Timeline
- "Tradition in the Orthodox Church". http://www.goarch.org/en/ourfaith/ourfaith7116.asp.
- Saint Gregory Palamas (1988). The one hundred and fifty chapters. PIMS. p. 55. ISBN 9780888440839. https://books.google.com/books?id=hS5LJkFMdOIC&q=Akindynos+Palamas&pg=PA54.
- Jugie, Martin (13 June 2009). "The Palamite Controversy". http://bekkos.wordpress.com/martin-jugie-the-palamite-controversy/4-the-triumph-of-palamism-1347-1354/.
- Jugie, Martin (13 June 2009). "The Palamite Controversy". http://bekkos.wordpress.com/martin-jugie-the-palamite-controversy/5-the-condemnation-of-prochoros-kydones-1368/. The reply of Demetrios Cydones reply to the Hesychasts upon his excommunication under Patriarch Philotheos Kokkinos is considered a classic of Catholic polemic against Hesychasm.
- Crisis in Byzantium: The Filioque Controversy in the Patriarchate of Gregory II of Cyprus (1283–1289). St Vladimir's Seminary Press. 1997. p. 205. ISBN 9780881411768. https://books.google.com/books?id=TUBllg0JpgUC&q=Aristeides+Papadakis+%22Crisis+in+Byzantium%22.
- Saint Gregory insists that to theologize "is permitted only to those who have passed examinations and have reached theoria, and who have been previously purified in soul and body, or at least are being purified."
- Theoria: Theoria is the vision of the glory of God. Theoria is identified with the vision of the uncreated Light, the uncreated energy of God, with the union of man with God, with man's theosis (see note below). Thus, theoria, vision and theosis are closely connected. Theoria has various degrees. There is illumination, vision of God, and constant vision (for hours, days, weeks, even months). Noetic prayer is the first stage of theoria. Theoretical man is one who is at this stage. In Patristic theology, the theoretical man is characterized as the shepherd of the sheep. ORTHODOX SPIRITUALITY by Metropolitan Hierotheos of Nafpaktos 
- The Roman-Catholics as well do not have the perfection of the therapeutic tradition which the Orthodox Church has. Their doctrine of the filioque is a manifestation of the weakness in their theology to grasp the relationship existing between the person and society. They confuse the personal properties: the "unbegotten" of the Father, the "begotten" of the Son and the procession of the Holy Spirit. The Father is the cause of the "generation" of the Son and the procession of the Holy Spirit. ORTHODOX SPIRITUALITY by Metropolitan Hierotheos of Nafpaktos
- The Latins' weakness to comprehend and failure to express the dogma of the Trinity shows the non-existence of empirical theology. The three disciples of Christ (Peter, James and John) beheld the glory of Christ on Mount Tabor; they heard at once the voice of the Father: "this is my beloved Son" and saw the coming of the Holy Spirit in a cloud – for, the cloud is the presence of the Holy Spirit, as St. Gregory Palamas says–. Thus the disciples of Christ acquired the knowledge of the Triune God in theoria (vision) and by revelation. It was revealed to them that God is one essence in three hypostases. This is what St. Symeon the New Theologian teaches. In his poems he proclaims over and over that while beholding the uncreated Light, the deified man acquires the Revelation of God the Trinity. Being in "theoria" (vision of God), the Saints do not confuse the hypostatic attributes. The fact that the Latin tradition came to the point of confusing these hypostatic attributes and teach that the Holy Spirit proceeds from the Son also, shows the non-existence of empirical theology for them. Latin tradition speaks also of created grace, a fact which suggests that there is no experience of the grace of God. For, when man obtains the experience of God, then he comes to understand well that this grace is uncreated. Without this experience there can be no genuine "therapeutic tradition". And indeed we cannot find in all of Latin tradition, the equivalent to Orthodoxy's therapeutic method. The nous is not spoken of; neither is it distinguished from reason. The darkened nous is not treated as a malady and the illumination of the nous as therapy. Many greatly publicized Latin texts are sentimental and exhaust themselves in a barren ethicology. In the Orthodox Church, on the contrary, there is a great tradition concerning these issues which shows that within it there exists the true therapeutic method. A faith is a true faith inasmuch as it has therapeutic benefits. If it is able to cure, then it is a true faith. If it does not cure, it is not a true faith. The same thing can be said about Medicine: A true scientist is the doctor who knows how to cure and his method has therapeutic benefits, whereas a charlatan is unable to cure. The same holds true where matters of the soul are concerned. The difference between Orthodoxy and the Latin tradition, as well as the Protestant confessions is apparent primarily in the method of therapy. This difference is made manifest in the doctrines of each denomination. Dogmas are not philosophy, neither is theology the same as philosophy. Since Orthodox spirituality differs distinctly from the "spiritualities" of other confessions so much the more does it differ from the "spirituality" of Eastern religions, which do not believe in the Theanthropic nature of Christ and the Holy Trinity. They are influenced by the philosophical dialectic, which has been surpassed by the Revelation of God. These traditions are unaware of the notion of personhood and thus the hypostatic principle. And love, as a fundamental teaching is totally absent. One may find, of course, in these Eastern religions an effort to divest themselves of images and rational thoughts, but this is in fact a movement towards nothingness, to non-existence. There is no path leading their "disciples" to theosis of the whole man. There are many elements of demonic "spirituality" in Eastern religions. This is why a vast and chaotic gap exists between Orthodox spirituality and the Eastern religions, in spite of certain external similarities in terminology. For example, Eastern religions may employ terms like ecstasy , dispassion, illumination, noetic energy et.c. but they are impregnated with a content different from corresponding terms in Orthodox spirituality. ORTHODOX SPIRITUALITY by Metropolitan Hierotheos of Nafpaktos 
- People had heard Palamas boast that he could see the light of God with his eyes, and had accused him of blasphemy; but, since Isaias, the Patriarch of Constantinople (1323–1334), was himself a monk of Athos and a disciple of Palamas, the opposition had not been very successful. Hesychasm by Adrian Fortescue
- Theosis-Divinisation: It is the participation in the uncreated grace of God. Theosis is identified and connected with the theoria (vision) of the uncreated Light (see note above). It is called theosis in grace because it is attained through the energy, of the divine grace. It is a co-operation of God with man, since God is He Who operates and man is he who co-operates. ORTHODOX SPIRITUALITY by Metropolitan Hierotheos of Nafpaktos
- Nichols, Aidan (1995). Light from the East: Authors and Themes in Orthodox Theology, Part 4. Sheed and Ward. pp. 50–52. ISBN 9780722050811. https://books.google.com/books?id=S71LD61qImUC&pg=PA50.
- "We must distinguish between God's substance or essence, and his energies – as differentiated realities present in God from all eternity, and not simply by his saving action ad extra, much less as a merely 'formal' distinction, something demanded by the limited operating capacities of human minds" (Nichols, Light from the East, p. 50).
- "the West confuses God's essence with his energy, regarding the energy as a property of the divine essence and interpreting the latter as "pure energy" (actus purus)" (Christos Yannaras, Orthodoxy and the West: Hellenic Self-Identity in the Modern Age, Holy Cross Orthodox Press, 2006), p. 36.
- "This distinction is contrary to the Western confusion of the uncreated essence with the uncreated energies and this is by the claim that God is Actus Purus" (George C. Papademetriou, Introduction to St. Gregory Palamas (Holy Cross Orthodox Press, 2004), p. 61.
- THEOSIS as the goal human life by Archimandrite George Abbott
- DEIFICATION AS THE PURPOSE OF MAN'S LIFE By Archimandrite George Abbott of the Holy Monastery of St. Gregorios on Mount Athos 
- "Deification in Eastern Orthodox theology" ISBN:978-0-85364-956-4
- Saint Isaac the Syrian says that "Paradise is the love of God, in which the bliss of all the beatitudes is contained," and that "the tree of life is the love of God" (Homily 72).
- Ecstasy comes when, in prayer, the nous abandons every connection with created things: first "with everything evil and bad, then with neutral things" (2,3,35; CWS p. 65). Ecstasy is mainly withdrawal from the opinion of the world and the flesh. With sincere prayer the nous "abandons all created things" (2,3,35; CWS p. 65). This ecstasy is higher than abstract theology, that is, than rational theology, and it belongs only to those who have attained dispassion. It is not yet union; the ecstasy which is unceasing prayer of the nous, in which one's nous has continuous remembrance of God and has no relation with the `world of sin', is not yet union with God. This union comes about when the Paraclete "...illuminates from on high the man who attains in prayer the stage which is superior to the highest natural possibilities and who is awaiting the promise of the Father, and by His revelation ravishes him to the contemplation of the light" (2,3,35; CWS p. 65). Illumination by God is what shows His union with man. (GK: apathea) and clarity of vision. Vision here refers to the vision of thenous that has been purified by ascetic practice. Orthodox Psychotherapy Section The Knowledge of God according to St. Gregory Palamas by Metropolitan Hierotheos Vlachos published by Birth of Theotokos Monastery,Greece (January 1, 2005) ISBN:978-960-7070-27-2
- Proper preparation for vision of God takes place in two stages: purification, and illumination of the noetic faculty. Without this it is impossible for man's selfish love to be transformed into selfless love. This transformation takes place during the higher level of the stage of illumination called theoria, literally meaning vision, in this case vision by means of unceasing and uninterrupted memory of God. Those who remain selfish and self-centered with a hardened heart, closed to God's love, will not see the glory of God in this life. However, they will see God's glory eventually, but as an eternal and consuming fire and outer darkness. From FRANKS, ROMANS, FEUDALISM, AND DOCTRINE/Diagnosis and Therapy Father John S. Romanides Diagnosis and Therapy 
- Michael J. Christensen, Jeffery A. Wittung (editors), Partakers of the Divine Nature(Associated University Presses 2007 ISBN:0-8386-4111-3), p. 234
- "The contemplative mind sees God, in so far as this is possible for man"; What Is prayer? by Theophan the Recluse cited in The Art of Prayer: An Orthodox Anthology,p. 73, compiled by Igumen Chariton of Valamo, trans, E. Kadloubovsky and E.M. Palmer, ed. Timothy Ware, 1966, Faber & Faber, London.
- V Lossky Vision of God pg 162–163
- The vision of the uncreated light, which offers knowledge of God to man, is sensory and supra-sensory. The bodily eyes are reshaped so they see the uncreated light, "this mysterious light, inaccessible, immaterial, uncreated, deifying, eternal", this "radiance of the Divine Nature, this glory of the divinity, this beauty of the heavenly kingdom" (3,1,22;CWS p. 80). Palamas asks: "Do you see that light is inaccessible to senses which are not transformed by the Spirit?" (2,3,22).
- Matthew 6:5–6 (King James Version)
- "by a transformation of the activity of their senses, produced in them by the Spirit" (2.3.22). Orthodox Psychotherapy Section The Knowledge of God according to St. Gregory Palamas by Metropolitan Hierotheos Vlachos published by Birth of Theotokos Monastery,Greece (January 1, 2005) ISBN:978-960-7070-27-2
- History of Russian Philosophy By N.O. Lossky section on V. Lossky, p. 400
- "... these moments of external relations with the West come at the extreme chronological ends of the Palamite controversy itself, which seems to have been focused almost wholly internally for the duration of its primary activity. It seems wrong, for example, to say that the controversy was one between Orthodoxy and the Papacy" (M.C. Steenberg, Gregory Palamas: An Historical Overview).
- "The Hesychastic Controversy, in essence, gave theological expression to the Orthodox resistance to Papal supremacy. ... In many ways, then, the Hesychastic Controversy brought Orthodox soteriology into direct conflict with the rise of Papal monarchy. Whereas for the Palamites and for Orthodox soteriology, each individual may attain to the status of 'vicar of Christ', by virtue of his transformation, purification, union with God, and deification by Grace, the Papal monarchy came to claim for the person of the Bishop of Rome alone, and this by virtue of his election to that See, what was for the Orthodox the universal goal of the Christian Faith, that criterion of spiritual authority that brought Patriarch and pauper into a oneness of spiritual authority and charismatic power. Here, in the collision between Papism and Hesychasm, politics and theology, inextricably bound together in a complex web of historical events, brought about an extraordinary deadlock in what are to this day 'seemingly irreconcilable differences of doctrine' that lay at the heart of Orthodox and Roman Catholic relations in the thirteenth and fourteenth centuries" (Archbishop Chrysostomos, Orthodox and Roman Catholic Relations from the Fourth Crusade to the Hesychastic Controversy (Etna, CA: Center for Traditionalist Orthodox Studies, 2001), pp. 225–227).
- Western theology however has differentiated itself from Eastern Orthodox theology. Instead of being therapeutic, it is more intellectual and emotional in character. In the West, Scholastic theology evolved, which is antithetical to the Orthodox tradition. Western theology is based on rational thought whereas Orthodoxy is hesychastic. Scholastic theology tried to understand logically the Revelation of God and conform to philosophical methodology. Characteristic of such an approach is the saying of Anselm of Canterbury: "I believe so as to understand". The Scholastics acknowledged God at the outset and then endeavoured to prove His existence by logical arguments and rational categories. In the Orthodox Church, as expressed by the Holy Fathers, faith is God revealing Himself to man. We accept faith by hearing it not so that we can understand it rationally, but so that we can cleanse our hearts, attain to faith by "theoria" and experience the Revelation of God. ORTHODOX SPIRITUALITY by Metropolitan Hierotheos 
- Wiseman, Nicholas (1966). "(search Palamas+Catholic+Orthodox+schism)". The Dublin Review (Tablet Pub. Co.): 196. https://books.google.com/books?id=AmrgAAAAMAAJ&q=Palamas+Catholic+Orthodox+schism.
- McGrath, Alister E. (1998). Historical theology: an introduction to the history of Christian thought. Wiley-Blackwell. pp. 99–101. ISBN 9780631208440. https://books.google.com/books?id=JPUOp2Vf1swC&q=Palamas+Catholic+Orthodox+schism&pg=PA99.
- "In distinguishing between God and His attributes, one is going against a doctrine of the faith: 'The Divine Attributes are really identical among themselves and with the Divine Essence' (De fide). The reason lies in the absolute simplicity of God. The acceptance of a real distinction (distinctio realis) would lead to acceptance of a composition in God, and with that to a dissolution of the Godhead. In the year 1148, a Synod at Rheims, in the presence of Pope Eugene III, condemned, on the instance of St. Bernard of Clairvaux, the doctrine of Gilbert of Poitiers, who, according to the accusation of his opponents, posited a real difference between Deus and Divinitas, so that there would result a quaternity in God (Three Persons plus Godhead). This teaching, which is not obvious in Gilbert's writings, was rejected at the Council of Rheims (1148) in the presence of Pope Eugene III (D. 389 et seq.)" (Ludwig Ott, Fundamentals of Catholic Dogma (Tan Books and Publishers, 1974), p. 28)
- Ludwig Ott, Fundamentals of Catholic Dogma (Tan Books and Publishers, 1974), p. 28
- Christensen, Michael J.; Wittung, Jeffery A. (2007). Partakers of the divine nature: the history and development of deificiation in the Christian traditions. Fairleigh Dickinson Univ Press. p. 243. ISBN 9780838641118. https://books.google.com/books?id=DgtUoMqm594C&q=Palamism+%22Catholic+Church%22&pg=PA243.
- Catherine Mowry LaCugna, God for Us: The Trinity and Christian Life, p. 200
- Latin text; English translation
- Wakefield, Gordon S. (1983). The Westminster Dictionary of Christian Spirituality. Westminster John Knox Press. ISBN 9780664221706. https://books.google.com/books?id=Ga815P6vxygC&q=The+Westminster+Dictionary+of+Christian+Spirituality+Gordon+S.+Wakefield+Hesychasm&pg=PA190.
- Ware, Kallistos (2000). The inner kingdom. St Vladimir's Seminary Press. p. 102. ISBN 9780881412093. https://books.google.com/books?id=g8qaOmtq6xoC&q=hesychasm+quietismhere&pg=PA102.
- Cutsinger, James S. (2002). Paths to the heart: Sufism and the Christian East. World Wisdom, Inc. p. 261. ISBN 9780941532433. https://books.google.com/books?id=6wcEQdkvt3EC&q=hesychasm+quietismhere&pg=PA261.
- "Palamas taught that by asceticism one could attain a corporal, i.e. a sense view, or perception, of the Divinity. He also held that in God there was a real distinction between the Divine Essence and Its attributes, and he identified grace as one of the Divine propria making it something uncreated and infinite. These monstrous errors were denounced by the Calabrian Barlaam, by Nicephorus Gregoras, and by Acthyndinus. The conflict began in 1338 and ended only in 1368, with the solemn canonization of Palamas and the official recognition of his heresies. He was declared the 'holy doctor' and 'one of the greatest among the Fathers of the Church', and his writings were proclaimed 'the infallible guide of the Christian Faith'. Thirty years of incessant controversy and discordant councils ended with a resurrection of polytheism" Simon Vailhé (1909). "Greek Church". Catholic Encyclopedia. New York: Robert Appleton Company. http://www.newadvent.org/cathen/06752a.htm.
- Russell, Norman (2006). "Modern Greek Theologians and the Greek Fathers". Philosophy and Theology 18 (1): 77. doi:10.5840/philtheol20061814. https://secure.pdcnet.org/8525737F00585D81/file/3BAC0CE8C1CE6F46852573FC0058ACBB/$FILE/philtheol_2006_0018_0001_0077_0092.pdf. Retrieved 2011-01-10.
- Archbishop Chrysostomos of Etna, Bishop Auxentios of Photiki, and Archimandrite Akakios. Contemporary Traditionalist Orthodox Thought. Etna, California: Center for Traditionalist Orthodox Studies. http://www.ctosonline.org/sample/CTO.pdf. "...Saint Gregory is not well known to the common pious, and his study by theologians is scant compared to the tomes that have been dedicated to the other Fathers. In Greece, it was not until the recent past that anyone showed any critical attention toward a collection of the Saint's writings. And, greatly owing to his rejection by the West and the proverbial "Western captivity" of many Orthodox theologians, some Greek theologians have only a rudimentary familiarity with Saint Gregory and his importance to Orthodox thought. (Happily, the state of Palamite studies in the Slavic traditions is better developed and more profound.)"
- Angold, Michael (2006). Eastern Christianity. Cambridge University Press. p. 101. ISBN 9780521811132. https://books.google.com/books?id=vBy7CTYVBeMC&q=Palamas+rediscovery&pg=PA101.
- Christou, Panagiotes K. (1983). Neohellenic Theology at the Crossroads. 28, n. 1, Spring. The Greek Orthodox Theological Review. pp. 39–54. http://www.apostoliki-diakonia.gr/en_main/catehism/theologia_zoi/themata.asp?cat=dogma&NF=1&contents=contents_Texts.asp&main=texts&file=5.htm.
- Stăniloae, Dumitru (2000). Orthodox Dogmatic Theology: The Experience of God. Continuum. p. xxv. ISBN 9780917651700. https://books.google.com/books?id=-sU80t3ncpgC.
- Lacoste, Jean-Yves (2005). Encyclopedia of Christian Theology. CRC Press. p. 661. ISBN 9780203319017. https://books.google.com/books?id=nzTkg_A6CWkC&q=Palamas+Meyendorff+Romanides&pg=PA661.
- John S. Romanides, "Notes on the Palamite Controversy and Related Topics, Part 1"
- "Father John's exposition of Palamas' doctrine of God is fairly well done. However, one must overlook his theories concerning Christological correctives and the Palamite originalities which he tries to find everywhere. [...] Meyendorff pictures Palamas as constantly (whether consciously or unconsciously is not always clear) applying to the theology of St. Dionysius Christological correctives [...] It is obvious that Meyendorff, in support of his theory concerning Christological correctives, has found differences between Palamas and Dionysius and similarities between Barlaam and Dionysius which do not exist, and at the same time has exaggerated the differences which may exist between Palamas and Dionysius all out of proportion to their actual importance for support of his thesis. One could go so far as to claim that Meyendorff fails to demonstrate even one point on which Palamas and Dionysius differ" (John S. Romanides, "Notes on the Palamite Controversy and Related Topics, Part 2")
- Reid, Duncan (1997). Energies of the spirit: trinitarian models in Eastern Orthodox and Western theology. Oxford University Press US. p. 97. ISBN 9780788503450. https://books.google.com/books?id=z-wo7-bQg4oC&q=Romanides+Meyendorff+Palamas&pg=PA97.
- "Well, with the commemoration of St. Gregory coming up, I thought this would be a good time to take a look at St. Gregory’s theology. The first thing we must understand about Palamism, is that there is absolutely no such thing. Palamism is the invention of Roman Catholic thinkers—I will not call them theologians—who wanted to justify their own heresy by giving what is the undoubted and traditional teaching of the Orthodox Church an exotic label, turning it into an historically conditioned 'ism.' All St. Gregory did was to express the age-old teaching of the Church within the framework of the contemporary controversy over the nature of Hesychast methods of prayer. Behind all of the talk about navel-gazing and seeing lights lay a fundamental distinction that Orthodox theologians have been making since at least the time of St. Athanasius." Clark Carlton, Host of Ancient Faith Radio, web: "Palamism Explained in Twelve Minutes or Less" (ancientfaith.com), 20 February 2010.
- Christensen, Jeffery A. Wittung (editors), Partakers of the Divine Nature (Associated University Presses 2007 ISBN:0-8386-4111-3), p. 244
- Metamorphosis: The Transfiguration in Byzantine Theology and Iconography (St Vladimir's Seminary Press 2005, ISBN:0-88141-295-3), pp. 215–216
- Carey, Patrick W.; Lienhard, Joseph T. (2000). Biographical dictionary of Christian theologians. Greenwood Publishing Group. p. 362. ISBN 9780313296499. https://books.google.com/books?id=Rg0gOJhFI0UC&q=%22Palamism%22+%22Orthodox+Church%22&pg=PA362.
- Saint Gregory Palamas (1983). Gregory Palamas. Paulist Press. p. xi. ISBN 9780809124473. https://books.google.com/books?id=8jcjtUbwptwC&q=Palamas+Meyendorff+Nicene+doctrine&pg=PR11.
- Oxford Companion to Christian Thought (Oxford University Press 2000 ISBN:0-19-860024-0), p. 186
- "Several Western scholars contend that the teaching of St. Gregory Palamas himself is compatible with Roman Catholic thought on the matter" (J. Christensen, Jeffery A. Wittung (editors), Partakers of the Divine Nature (Associated University Presses 2007 ISBN:0-8386-4111-3), p. 243).
- J. Christensen, Jeffery A. Wittung (editors), Partakers of the Divine Nature (Associated University Presses 2007 ISBN:0-8386-4111-3), p. 243
- Ware in Oxford Companion to Christian Thought (Oxford University Press 2000 ISBN:0-19-860024-0), p. 186
- J. Christensen, Jeffery A. Wittung (editors), Partakers of the Divine Nature (Associated University Presses 2007 ISBN:0-8386-4111-3), pp. 243–244
- David Bentley Hart, The Beauty of the Infinite, p. 204
- Vladimir Lossky The Mystical Theology of the Eastern Church, SVS Press, 1997. (ISBN:0-913836-31-1) James Clarke & Co Ltd, 1991. (ISBN:0-227-67919-9)Copy online
- David Bradshaw. Aristotle East and West: Metaphysics and the Division of Christendom. Cambridge University Press, 2004. ISBN:0-521-82865-1, ISBN:978-0-521-82865-9. p. 245.
- Anstall, Kharalambos (2007). "Ch. 19, "Juridical Justification Theology and a Statement of the Orthodox Teaching"". Stricken by God? Nonviolent Identification and the Victory of Christ. Grand Rapids, MI: Eerdmans. ISBN 978-0-8028-6287-7. https://books.google.com/books?id=ZLNVAAAAYAAJ.
- Georges Barrois 1975, ‘Palamism Revisited’, Saint Vladimir's Theological Quarterly (SVTQ) 19, 211–31.
- Gross, Jules (2003). The Divinization of the Christian According to the Greek Fathers. A & C Press. ISBN 978-0-7363-1600-2.
- Theoria, Prayer and Knowledge by Dr M.C. Steenberg Theology and Patristics University of Oxford
- "Orthodox Psychotherapy" by Metropolitan Hierotheos of Nafpaktos
- "Hesychasts and Zealots :Spiritual flourishing and social crisis in 14th century Byzantium" by Fr George Metallinos, former Dean of the Athens University School of Theology
- Excerpt from "Byzantine Theology, Historical trends and doctrinal themes" by John Meyendorff
- Partial copy of V. Lossky's Chapter in Mystical Theology of the Eastern Church dedicated to the Essence and Energies distinction
- International Conference on the Philosophy and Theology of St Gregory Palamas, 7–15 March 2012, with links to on line material from the Conference
- Papers from the International Conference on St Gregory Palamas (Thessaloniki, Veroia and Mt Athos, 2012)
- Palamas Seminar Meetings
- Papers from the International Conference on Mysticism and Asceticism in St Gregory Palamas (Veroia 2015)
- Book extract Nonviolent Atonement and the Victory of Christ by Brad Jersak, 2007
- Eastern Orthodoxy and Theosis
- Theosis_in_the_Christian_West Orthodoxwiki article
- "Theiosis" – Kheper.net
- "Some themes in Christian Mysticism" – Kheper.net
- "Deification" – online issue of Affirmation & Critique devoted entirely to the topic of theosis
- "Luther and Theosis" by Kurt E. Marquart (Concordia Theological Quarterly, July 2000)
- "God and Mankind Have Become One Race" by Nikolaos P. Vassiliadis
- "Partakers of God" by Panayiotis Christou
- "Partakers of the Divine Nature" by Norman Russell
Original source: https://en.wikipedia.org/wiki/Palamism. Read more