Work dossier · summary and historical context
This fragmentary homily by Cyril of Alexandria (c. 376–444) focuses on the unity of Christ, arguing against any division of the Son into two persons. The surviving portion uses scriptural citations and rhetorical questions to condemn those who waver in acknowledging Christ's sole lordship. The text survives in a single medieval Greek manuscript, with no other independent witness, and is not included in the Patrologia Graeca. Its Christological content suggests composition after the outbreak of the Nestorian controversy (post-428), but the exact date and original length remain unknown. The fragment's limited reception and lack of critical edition caution against overconfident interpretation.
This homily provides a rare glimpse into Cyril's preaching on a core Christological theme outside his major treatises. Its fragmentary survival highlights the precarious transmission of patristic texts, especially those not preserved in major collections. The work's use of scriptural citations, including a possible apocryphal Jeremiah reference, offers insight into Cyril's exegetical methods and the biblical texts available in 5th-century Alexandria. It also illustrates how Cyril adapted his theological arguments for a liturgical audience.
Cyril of Alexandria served as patriarch from 412 to 444, a period marked by intense Christological debate following the Nestorian controversy (428–431). This homily, 'On the One Son', likely dates from the later part of his episcopate, when he was defending the unity of Christ's person against those he saw as positing two separate sons. The work survives only in a single manuscript, the source of the Khazarzar edition, which provides no siglum or critical apparatus. Its absence from major collections like the Patrologia Graeca and from Byzantine catenae suggests a very limited circulation, possibly due to its fragmentary state. The homily's genre—a festal or catechetical homily—is typical of Cyril's output, but the fragment's brevity obscures its original setting. The text's reliance on scriptural exegesis and its polemical tone align with Cyril's broader corpus, but the lack of a secure manuscript tradition means that the edition may contain errors or interpolations.
Apparatus · what the pipeline recorded
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