Filioque Filioque, Latin for "and (from) the Son", was added in Western Christianity to the Nicene-Constantinopolitan Creed. This insertion emphasizes that Jesus, the Son, is of equal divinity with God, the Father, while the absence of it in Eastern Christianity emphasizes that the Father is the only one cause of the two other persons. Et in Spiritum Sanctum, Dominum, et vivificantemFilioque procedit. (And in the Holy Spirit, the Lord, and giver of life, who proceeds from the Father and the Son.) Filioque
Fourth Council of Constantinople (Eastern Orthodox) For the 8th Catholic Ecumenical Council, see Fourth Council of Constantinople (Catholic)The Fourth Council of Constantinople of 879-880 is the Eighth Ecumenical Council for Eastern Orthodox Christians. Photios, a noble layman, had been appointed Patriarch of Constantinople but deposed by a Council of Constantinople called in 869 by Emperor Basil I the Macedonian and Pope Adrian II. Fourth_Council_of_Constantinople_(Eastern_Orthodox)
Gregory Palamas Saint Gregory Palamas (Γρηγόριος Παλαμάς) (1296 - 1359) was a monk of Mount Athos in Greece and later the Archbishop of Thessalonica known as a preeminent theologian of Hesychasm. He is venerated as a Saint in the Eastern Orthodox Church. Though he is not widely venerated in the Roman Catholic Church he is recognised as a saint; Palamas is liturgically commemorated by the Melkite Greek Catholic, and Ukrainian Byzantine Catholic Eastern Churches, who are in communion with Rome. Gregory_Palamas
Peter the Iberian Peter the Iberian, or Peter of Iberia, () (A.D. c. 411-491) is a Georgian Orthodox saint, who was a prominent figure in early Christianity.Some of his accomplishments are the foundination the first Georgian monastery in Bethlehem and being the bishop of Gaza near Mayuma. In addition to being canonized by the Georgian Orthodox Church as a saint, he is also recognized by various eastern Churches, some of which have deviated from the Chalcedonian doctrine. Peter_the_Iberian
Essence-Energies distinction The Energies of God are a central principle of theology in the Eastern Orthodox Church, understood by the orthodox Fathers of the Church, and most famously formulated by Gregory Palamas, defending the hesychast practice. Which involves the vision of a "Divine Light" against charges of heresy brought by Barlaam of Calabria. In support of his understanding of ancient tradition, Palamas argued that conflating "nature" and "things pertaining to nature" would make a Christian fall into Heresy. Essence-Energies_distinction
Ostrog Bible The Ostrog Bible (; ) was one of the earliest East Slavic translations of the Bible and the first complete printed edition of the Bible in Old Church Slavonic, published in Ostroh, in the Polish-Lithuanian Commonwealth, by the Muscovy printer Ivan Fyodorov in 1581 with the assistance of the Ukrainian Prince Konstantin Ostrogski.The Ostrog Bible is unique among Church Slavonic Bibles in that the Old Testament was translated not from the (Hebrew) Masoretic text, but from the (Greek) Septuagint. Ostrog_Bible