Letter to Sixtus, Bishop of Rome

Name: Letter to Sixtus, Bishop of Rome
Author: Cyril of Alexandria

Ad Xystum episcopum Romae

Cyril of Alexandria (c. 376–444 AD) · written c. 412–444 AD · PG 77

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1Cyril's confession of the Word's nature

Author

Cyril of Alexandria (c. 376–444 AD) — Bishop of Alexandria from 412. He led the case against Nestorius at the Council of Ephesus in 431, defending the title Mother of God and the single person of Christ, and wrote long commentaries on both Testaments.

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Cyril defends his belief in Christ's divine nature and unchangeable Godhood in a letter to a Roman bishop.

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Translated from PG 77 (Greek)

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Cyril's confession of the Word's nature§1

Cyril, bishop of Alexandria, is writing to Xystus, bishop of Rome, and begins with a first-person declaration of his own beliefs.

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1I have never been convicted of thinking anything contrary to what the truth approves, nor have I ever said that the divine nature of the Word is capable of suffering. And a little later: I know that the nature of God is incapable of suffering, unchangeable, and invariable, even in the nature of humanity, and that there is one Christ in both natures and from both natures.

Greek · §1

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