Overview

About this work

The Five Theological Orations are St Gregory the Theologian’s best-known sermons on the mystery of the Holy Trinity. With pastoral seriousness and brilliant argument, Gregory explains both how Christians should approach theology and what the Church confesses about the Father, Son, and Holy Spirit: one Godhead, undivided in essence and distinct in Persons. He joins careful use of Scripture with the conviction that true knowledge of God requires purification, humility, and worship. These orations became one of the Church’s clearest and most enduring statements of Nicene faith.

Setting

Historical context

St Gregory delivered these sermons in Constantinople around AD 380, while serving the small Nicene community gathered at the Church of the Anastasia, or Resurrection. The city’s churches had long been dominated by Christians opposed to the Nicene faith, and debates about the Son and the Holy Spirit filled public life. Gregory answered especially the Eunomians, who claimed that God’s nature could be fully defined and that the Son was unlike the Father, and the Pneumatomachians, who denied the full divinity of the Holy Spirit. The orations stand immediately before the Second Ecumenical Council held in the city in 381.

Structure

The first oration sets spiritual limits on theological debate and asks who is ready to speak about God. The second considers what human beings can truly know of the divine nature, moving from creation toward humble confession of the Creator. The third and fourth defend the eternal Son’s full divinity, answer objections drawn from reason and Scripture, and explain passages that speak of Christ’s human lowliness. The fifth turns to the Holy Spirit, affirming His divine Person, works, and worship within the one Trinity. Together the sermons move from the practice of theology to confession of Father, Son, and Holy Spirit.

Text & source details

Editions

Edition: Original Greek (Mason 1899)
Reader label: Ancient Greek
Publication: Arthur James Mason, The Five Theological Orations of Gregory of Nazianzus (Cambridge: Cambridge University Press, 1899); OpenGreekAndLatin First1KGreek digital encoding.
Date: 1899
Rights: Mason’s 1899 edition is public domain. The First1KGreek TEI digital encoding is licensed under CC BY-SA 4.0.

Edition: Voices of the Fathers Modern English
Reader label: Modern English — VOTF
Translator: Voices of the Fathers editorial project
Publication: Voices of the Fathers
Date: 2026
Rights: Voices of the Fathers Modern English is licensed under the Creative Commons Attribution-NonCommercial 4.0 International License (CC BY-NC 4.0), to the extent copyright and related rights subsist in the translation and associated editorial material. Commercial reuse requires separate permission from Voices of the Fathers. The underlying ancient text and identified public-domain source editions retain their respective status.

Edition: Browne–Swallow (1894)
Reader label: English — Browne–Swallow (1894)
Translator: Charles Gordon Browne and James Edward Swallow
Publication: Nicene and Post-Nicene Fathers, Second Series, vol. 7, edited by Philip Schaff and Henry Wace (Buffalo, NY: Christian Literature Publishing Co., 1894).
Date: 1894
Rights: The 1894 translation is public domain in the United States. The aligned digital witness may contain provider and project normalization.

Text and edition sources

Arthur James Mason, The Five Theological Orations (1899)

Gregory of Nazianzus. The Five Theological Orations of Gregory of Nazianzus. Edited by Arthur James Mason. Cambridge: Cambridge University Press, 1899.

Applies to: Ancient Greek Public domain. Source website

OpenGreekAndLatin First1KGreek

Gregory of Nazianzus, Orations 27–31, tlg2022.tlg007–011.1st1K-grc1.

Applies to: Ancient Greek CC BY-SA 4.0. Source website

Voices of the Fathers Modern English

The Five Theological Orations, Voices of the Fathers Modern English, Voices of the Fathers, 2026, CC BY-NC 4.0.

Applies to: Modern English — VOTF CC BY-NC 4.0 for the project translation/editorial contribution.

Voices of the Fathers Modern English

The Five Theological Orations, Voices of the Fathers Modern English, Voices of the Fathers, 2026, CC BY-NC 4.0.

Applies to: Modern English — VOTF Voices of the Fathers Modern English is licensed under the Creative Commons Attribution-NonCommercial 4.0 International License (CC BY-NC 4.0), to the extent copyright and related rights subsist in the translation and associated editorial material. Commercial reuse requires separate permission from Voices of the Fathers. The underlying ancient text and identified public-domain source editions retain their respective status. Source website

Browne–Swallow translation (1894)

Gregory of Nazianzus, Select Orations, translated by Charles Gordon Browne and James Edward Swallow, in Nicene and Post-Nicene Fathers, Second Series, vol. 7, edited by Philip Schaff and Henry Wace (Buffalo, NY: Christian Literature Publishing Co., 1894).

Applies to: English — Browne–Swallow (1894) Public domain in the United States. Source website

Lexical and concordance sources

MorphGNT SBLGNT morphology and lemmatization

James K. Tauber, ed., MorphGNT: SBLGNT Edition, version 6.12 (2017), doi:10.5281/zenodo.376200.

Applies to: Ancient Greek Morphological parsing and lemmatization are CC BY-SA; the SBLGNT text has its own license and is not reproduced as this work’s Greek text. Source website

Jeffrey Dodson’s Greek Lexicon

Jeffrey Dodson’s Greek Lexicon, Biblical Humanities data edition.

Applies to: Ancient Greek Public domain / CC0 data distribution. Source website

Strong’s Greek Dictionary with real Greek

James Strong, Strong’s Greek Dictionary; XML with real Greek by Ulrik Sandborg-Petersen.

Applies to: Ancient Greek CC0 1.0. Source website

Overview research

Paul Gallay, ed., Grégoire de Nazianze: Discours 27–31

Grégoire de Nazianze: Discours 27–31. Edited by Paul Gallay with Maurice Jourjon. Sources Chrétiennes 250. Paris: Éditions du Cerf, 1978.

Bibliographic citation only; no copyrighted source text reproduced. Source website

Frederick W. Norris, Faith Gives Fullness to Reasoning

Frederick W. Norris. Faith Gives Fullness to Reasoning: The Five Theological Orations of Gregory Nazianzen. Translated by Lionel Wickham and Frederick Williams. Supplements to Vigiliae Christianae 13. Leiden: E. J. Brill, 1991.

Bibliographic citation only; no copyrighted source text reproduced. Source website

St Vladimir’s Seminary Press, On God and Christ

On God and Christ: The Five Theological Orations and Two Letters to Cledonius. Popular Patristics Series 23. St Vladimir’s Seminary Press.

Bibliographic and publisher-description citation only. Source website

Orthodox Church in America, Saint Gregory the Theologian

Orthodox Church in America. “Saint Gregory the Theologian, Archbishop of Constantinople.” Lives of the Saints, January 25.

Citation and link only; no source text reproduced. Source website

The Five Theological Orations