St. Theophilus of Antioch quotes from Theophilus of Antioch: → Previous Next Theophilus was the seventh Bishop of Antioch from 169 to 182. Eusebius mentions Theophilus’ writing against the heretic, Marcion, as being instrumental in defeating the heresy, but the only surviving work of Theophilus is his Apology to Autolycus. Eusebius and Jerome, however, mention numerous