4 surviving letters between Julian of Antioch and Pope Leo the Great, spanning 444-454 AD.
1. Eutyches' heresy involves many other heresies. Leo, bishop of the city of Rome to his well-beloved brother, Julian the bishop.
The information which you give, brother, about the riotous doings of the false monks is serious and to no slight degree lamentable; for they are due to the war which the wicked Eutyches by the madness of deceivers is waging against the preaching of the Gospel and the Apostles, though it will end in his own destruction and that of his followers:...
Leo, bishop of Rome, to Julian, bishop of Cos. I acknowledge in your letter, beloved, the feelings of brotherly love, in that you sympathize with us in true grief at the many grievous evils we have borne. But we pray that these things which the Lord has either allowed or wished us to suffer, may avail to the correction of those who live through ...
How watchfully and how devotedly you guard the Catholic Faith, brother, the tenor of your letter shows, and my anxiety is greatly relieved by the information it contains; supplemented as it is by the most religious piety of our religious Emperor, which is clearly shown to be prepared by the Lord for the confirmation of the whole Church; so that,...