Letter CXX, from Pope Leo to Bishop Theodoret of Cyrrhus

Leo, bishop, to Theodoret, most beloved brother and bishop. Chapter I: The Victory of the Faith at Chalcedon Demonstrates That What the First of All Sees Defined Was Received by the Universal Church With our brothers and fellow bishops — who were sent by the see of blessed Peter to the holy council — now […]

Letter XLIII, from Pope Leo to Emperor Theodosius

Leo, bishop, to the most glorious and clement Emperor Theodosius. Chapter I: Leo Complains of the Ephesine Robbery From the beginning, in councils held, we have received such confidence from the blessed Peter, Prince of the Apostles, that we have authority to defend the truth for our peace, so none may disturb it, fortified as […]