Theodoret, of Cyrus, on Perseverance in Faith

I had heard of the island of Lesbos and of its cities — Mytilene, Methymna, and the rest — but I knew nothing of the...

Leo, the bishop, to his beloved brother Theodoret, the bishop. On the return of our brothers and fellow priests, whom the See of the blessed Peter sent to the holy council, we ascertained, beloved, the victory you and we together had won by assistance from on high over the blasphemy of Nestorius, as well as over the madness of Eutyches. Wherefor...