Januarius & Pope Leo the Great

Leo, bishop of the city of Rome, to Januarius, bishop of Aquileia. Those who renounce heresy and schism and return to the Church must make their recantation very clear: those who are clerics may retain their rank but not be promoted. On reading your letter, brother, we recognized the vigour of your faith, which we already were aware of, and cong...

Leo the bishop to the clergy, dignitaries, and people, residing at Constantinople. Though we are greatly grieved at the things reported to have been done recently in the council of priests at Ephesus, because, as is consistently rumoured, and also demonstrated by results, neither due moderation nor the strictness of the Faith was there observed,...

Leo to the Catholic Egyptian bishops sojourning in Constantinople. He encourages them in their sufferings for the Faith, and in their entreaties for redress to the Emperor. I have before now been so saddened by tidings of the crimes committed in Alexandria, and my spirit has been so wounded by the atrocity of the deed itself, that I know not wha...