Cyrus of Edessa


Cyrus of Edessa was a Syriac writer and teacher in the Church of the East. He was probably a native of Edessa. He studied at the school of Nisibis under Aba, the future patriarch, and then taught at the school of Seleucia-Ctesiphon, eventually rising to become its headmaster. He founded a monastery at Ḥirta sometime after the death of Aba.
Cyrus was one of the earliest Syriac authors to write liturgical commentary of the "cause" or explanation genre. He wrote six treatises explaining important events of the liturgical year, namely the Great Fast, Maundy Thursday, Good Friday, Easter, the Feast of the Ascension and the Feast of Pentecost. His work completed that begun by Thomas of Edessa on the feasts of Nativity and Epiphany. Like Thomas, he was influenced by the theology of Theodore of Mopsuestia.
In his explanation of the Fast, Cyrus writes that " appears with the Manichaeans, the Marcionites, Macedonians, Valentinians, and Katharoi, together with all of the Mandaeans, the Kentaeans, and those like them." He also criticizes "the heretics, the Manichaeans,... the Marcionites, the Bardesanites, and so on."

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