That There Are Not Three Gods

  • Year 381
  • Type Treatise
  • Genre theology
  • Tradition Patristic
  • Original language Greek

For For readers who want the classic Cappadocian answer to 'if Father, Son and Spirit are each God, why not three gods?'; short and dense, for those already at home with Trinitarian terms.

Length About 5,500 words, under an hour.

Should I read this?

For the general reader
2 of 5 worth a look
For the researcher
5 of 5 essential
Difficulty
4 of 5 hard

If Peter, James and John are three men, why are Father, Son and Spirit not three gods? Because 'God' names an activity that is one and undivided, not a nature shared out. The classic short Cappadocian answer, argued tightly in a few pages; a key text for the doctrine of the Trinity.

How it proceeds
  • Philosophic 5 of 5
  • Scriptural 3 of 5
  • Experiential 0 of 5
  • Sociological 0 of 5
  • Historical 0 of 5

Independent intensities, 0–5 — what the work is made of, not how good it is.

Gregory of Nyssa's "That There Are Not Three Gods" emerges from the heated Trinitarian controversies of the late fourth century, written around 381 as a sophisticated response to critics who accused Cappadocian theology of tritheism. The work addresses a fundamental challenge: if the Father, Son, and Holy Spirit are each truly God, how can Christians maintain monotheism without falling into the worship of three separate deities? Gregory wrote this treatise to his brother Peter of Sebaste, defending the Cappadocian formula that distinguishes between the one divine essence (ousia) shared by all three persons and their distinct personal properties (hypostases).

Gregory's argument proceeds through careful philosophical analysis, drawing on Aristotelian categories to explain how numerical unity differs from generic unity. He demonstrates that when we speak of divine essence, we refer to an indivisible reality that cannot be multiplied or divided, unlike created beings who share a common nature but exist as separate individuals. The three divine persons are not three instances of divinity but three distinct modes of possessing the one, simple, and undivided divine essence. Gregory employs analogies from human experience while carefully noting their limitations, showing how the operations of the Trinity in creation and salvation reveal both unity of action and distinction of persons. His analysis of divine names and attributes further clarifies how theological language can speak precisely about the mystery of God's triune nature.

This treatise became foundational for Eastern Orthodox Trinitarian theology and significantly influenced subsequent developments in both Eastern and Western Christianity. Gregory's precise theological vocabulary and philosophical rigor helped establish the conceptual framework that the church continues to use in articulating Trinitarian doctrine. His work demonstrates how careful philosophical analysis serves theological truth rather than undermining it.

Who should read this: Theologians, students of patristic thought, and anyone seeking to understand the intellectual foundations of Trinitarian doctrine will find Gregory's precise argumentation invaluable. This is not accessible reading for those without background in theological terminology or interest in doctrinal development.

Editions

External off-site sources

Free downloads

  • OTHER Quod non sint tres dii (New Advent) PD
    Trans. H. A. Wilson
    H. A. Wilson's translation from the Greek, as printed in the Nicene and Post-Nicene Fathers, second series, volume 5 (1893), on New Advent. A few pages; suits readers already at home with the vocabulary of the Trinity.
  • OTHER Quod non sint tres dii (CCEL) PD
    Trans. H. A. Wilson
    H. A. Wilson's 1893 translation on the Christian Classics Ethereal Library's reading page for volume 5 of the Nicene and Post-Nicene Fathers, with the NPNF footnotes. The same text as New Advent's, unrevised.
  • OTHER Quod non sint tres dii (Wikisource) PD
    Trans. H. A. Wilson · 1893
    H. A. Wilson's 1893 translation in Wikisource's transcription of the Nicene and Post-Nicene Fathers, second series, volume 5: one page for the text, footnotes kept, plain text that reads well on a phone. For readers at home with the vocabulary of the Trinity.
  • PDF Quod non sint tres dii (Internet Archive (NPNF2-05 scan)) PD
    Trans. William Moore and Henry Austin Wilson · 1893
    A scan of the 1893 volume of the Nicene and Post-Nicene Fathers devoted to Gregory of Nyssa (University of Toronto copy), with Moore and Wilson's translations, the prolegomena and the notes as printed. Page images of the whole book; this work is in it, for readers who want the text as published.
  • 🎧 AUDIO Quod non sint tres dii (LibriVox — Early Church Collection vol. 1 (section 2))
    Trans. H. A. Wilson · 2015
    A free audio reading of H. A. Wilson's 1893 translation, section 2 of LibriVox's Early Church Collection, volume 1 (thirty-one minutes, read by InTheDesert). The section plays from the collection page; complete.
  • PDF Quod non sint tres dii (Internet Archive (Migne PG 45)) PD Greek and Latin
    1863
    The Greek text with Migne's Latin translation in parallel columns, in volume 45 of the Patrologia Graeca (Paris, 1863), scanned whole on the Internet Archive; this work is at columns 115-136. For readers of Greek or Latin.
    Much harder than the work: Greek and Latin only, no English translation

Edition details and descriptions on this page were compiled with the aid of AI research tools. Readers are encouraged to verify specifics (publisher, translator, edition year) against the originating source before purchase or citation.