Cyril of Alexandria (ca. 378-444), one of the most brilliant representatives of the Alexandrian theological tradition, is best known for championing the term Theotokos (God-bearer) in opposition to Nestorius of Constantinople. Cyril's great Commentary on John, offered here in the Ancient Christian Texts series in two volumes, predates the Nestorian controversy and focuses its theological firepower against Arianism. The commentary,...