The great significance of St. Gregory’s teaching for Orthodoxy can be seen on the important question of epistemology. When we say epistemology we mean the knowledge of God and, to be precise, we mean the way which we pursue in order to attain knowledge of God.

The situation in St. Gregory’s time was that Orthodoxy was being debased; it was becoming worldly and being changed into either pantheism or agnosticism. Pantheism believed and taught that God in his essence was to be found in all nature, and so when we look at nature we can acquire knowledge of God. Agnosticism believed and taught that it was utterly impossible for us to know God, just because He is God and man is limited, and therefore man was completely incapable of attaining a real knowledge of God.

In the face of this great danger St. Gregory Palamas developed the fundamental teaching of the Church concerning the great mystery of the indivisible distinction between the essence and energy of God. We must underline that this is not the teaching of St. Gregory Palamas alone, but of the Orthodox Church, and therefore this theology cannot be called Palamism (as some distraught souls have incorrectly and blasphemously called it). Many fathers have referred to the distinction between essence and energy. We find it in the Bible, in the first Apostolic Fathers, in the Cappadocian Fathers, and especially in St. Basil the Great and that great dogmatic theologian of the Church, St. John of Damascus. St. Gregory Palamas, with his outstanding theological ability, developed further this already existing teaching and put forward its practical consequences and dimensions.

It is very characteristic that this distinction began to be noted in discussions about the Holy Spirit. The Calabrian philosopher Barlaam maintained that we could not know just what the Holy Spirit is, especially His procession and His being sent by the Son. In the face of the danger of agnosticism, St. Gregory Palamas taught that the actual procession of the Holy Spirit from the Father is a different thing from His being sent by the Son. Thus, while we do not know the essence of the Holy Spirit, we do know His energy.

All spiritual life is a result and fruit of the energy of the Holy Spirit. Therefore, the saint taught, we cannot participate in God’s essence, but we can know and participate in His energies. As the great dogmatic theologian St. John of Damascus teaches, we can see His three unions: union in essence, of the Persons of the Holy Trinity; union in substance, in the Person of Christ between the divine and human natures; and union in energy, between God and man.

In this way St. Gregory preserves the true teaching of the Church. If in the time of Athanasios the Great, men doubted the divinity of Christ, in St. Gregory’s time they had doubts about God’s energies. They said that His energies are created. Therefore in the dismissal hymn of the saint we chant: Illuminator of Orthodoxy, supporter and teacher of the Church, spiritual beauty of the monastics, irrefutable champion of the theologians...

The common mind of the Church recognizes St. Gregory Palamas, the Hagiorite saint, as a great Father of the Church, an Ecumenical teacher, and includes him with the Three Hierarchs and the three great theologians of the Church. The characterization of theologian which has been given to him, has made him an elect member of the company of the Holy Fathers. St. Gregory is truly an invincible champion of the theologians.

But also synodically the Church has characterized him as an unerring father, teacher and theologian. The Synodal Tome of 1347 refers to this great Hagiorite saint, saying: “But also if anyone else at all is ever caught either thinking or saying or writing against the said most worthy priestmonk Gregory Palamas and the monks with him, or rather against the holy theologians and this Church, we both vote against him for these things and put him under this condemnation, whether he be of the hierarchy or the laity. We have many times proclaimed most worthy this respected priestmonk Gregory Palamas and the monks agreeing with him. They neither write nor think anything that differs from the divine words, having examined them and understood them exactly. And they champion the divine words, or rather our common devotion and tradition in all ways, as is proper, defending them as in every respect higher than what not only they but also the Church of God and the former synodal volume regard as sophistries. And we also declare them to be very safe defenders of the Church and its faith, and its champions and helpers.”

This synodal text highlights the three following truths which all Christians should recognize:

First, St. Gregory Palamas is characterized as a simple and safe teacher of the Church.

Second, the teaching of St. Gregory about the distinction of essence and energy, about man’s participation in the uncreated energy of God and about the hesychastic way of life is a teaching of the Church and a canon of godliness and life.

Third, anyone who denies and undervalues St. Gregory Palamas, as well as the hesychastic life which he lived and taught, is excommunicated from the Orthodox Church.

All these things show the great value of St. Gregory, but also the value of the Holy Mountain, with its hesychastic tradition, which is preserved to this day by the Hagiorite Fathers. This tradition of hesychasm is the greatest treasure of the Holy Mountain, a hope for the world and a true life for Christians. Rejection of the Holy Mountain and the hesychastic tradition is in reality a denial of the Orthodox Tradition and a departure from the One, Holy, Catholic and Apostolic Church.

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Apolytikion

Light of Orthodoxy, pillar and teacher of the Church, adornment of monastics, invincible champion of theologians, O Gregory, wonderworker, boast of Thessalonica, herald of grace: ever pray that our souls be saved.

Kontakion

With one accord, we praise you as the sacred and divine vessel of wisdom and clear trumpet of theology, O our righteous Father Gregory of divine speech. As a mind that stands now before the Primal Mind, do you ever guide aright and lead our mind to Him, that we all may cry: Hail, O herald of grace divine.