📖 Biblical Definition
Gregory of Nazianzus (c. 329-389) was the third of the Cappadocian Fathers (with Basil the Great and Gregory of Nyssa) — and the architect of orthodox Trinitarian formulation. His Theological Orations (380), preached in Constantinople, gave the church its definitive defense of the full deity of the Son and the Spirit against late Arian and Pneumatomachian opposition. He served briefly as Patriarch of Constantinople and presided at the opening of the First Council of Constantinople (381), where the Nicene Creed was finalized. He resigned in weariness over ecclesial politics and retired to write poetry and pastoral letters. Famous lines: "That which is not assumed is not healed" (against Apollinarianism); "The Son is the same as the Father, except in being the Son." The orthodox Trinitarian vocabulary the church still uses owes more to him than to any other single figure.
📜 Webster 1828 Definition
Cappadocian Father (c. 329-389); architect of orthodox Trinitarian doctrine; called ‘the Theologian’ in the Eastern Church.
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Born Arianzus near Nazianzus (Cappadocia); educated at Caesarea, Athens; close friend of Basil the Great. Reluctantly ordained priest; resigned bishopric of Sasima after brief tenure; became Patriarch of Constantinople 380-381.
Five Theological Orations (380) preached at Constantinople defended Nicene orthodoxy and shaped the Council of 381's revised creed. Stepped down as patriarch and returned to Cappadocia for the rest of his life.
📖 Key Scripture
John 1:14 — "And the Word was made flesh, and dwelt among us, (and we beheld his glory, the glory as of the only begotten of the Father,) full of grace and truth."
John 14:9 — "He that hath seen me hath seen the Father."
Hebrews 1:3 — "Who being the brightness of his glory, and the express image of his person."
Philippians 2:6 — "Who, being in the form of God, thought it not robbery to be equal with God."
⚠️ Modern Corruption
Modern theology rarely engages the Cappadocian Trinitarian arguments; they remain foundational and unsurpassed in compactness.
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Gregory's formula on the Trinity: I cannot think on the One but I am encircled by the splendor of the Three; nor can I distinguish the Three but I am suddenly carried back to the One. The doxological character of his theology is unmistakable.
Christology: that which is not assumed is not healed (against Apollinarianism). If Christ did not assume a fully human soul, then the human soul is not redeemed. The argument shaped Chalcedonian Christology seventy years later.
🔗 Greek & Hebrew Roots
Greek name; Cappadocian context.
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Greek Grêgorios — watchful, vigilant.
Note: the Theologian as a title is reserved in Eastern Orthodox tradition for John the Apostle, Gregory of Nazianzus, and Symeon the New Theologian.
Usage
"I cannot think on the One but I am encircled by the splendor of the Three."
"That which is not assumed is not healed."
"Architect of the orthodox Trinitarian formula."