The Early Church and Peter's Primacy

Letter CLXIV, from Pope Leo to Emperor Leo

Leo, bishop, to Leo, Augustus. Chapter I: Leo Sends His Legates to Petition for the Church’s Liberty and Insists That the Chalcedonian Definition Not Be Reopened Rejoicing that it has been made clear by many plain proofs how deeply you care for the welfare of the universal Church, I have complied, as soon as I […]

Letter CLXII, from Pope Leo to Emperor Leo

Leo, bishop, to Leo, Augustus. Chapter I: Leo Rejoices in the Emperor’s Faith and Urges That the Chalcedonian Definition, Confirmed from the Rock on Which the City of God Is Built, Never Be Reopened My heart rejoices greatly in the Lord, and I have ample reason for gratitude, knowing that the most excellent faith of […]

Letter CLX, from Pope Leo to the Catholic Bishops and Clergy of Egypt Residing at Constantinople

Leo to his most dear brothers Nestorius, Athanasius, Paul, Peter, Theonas, Isaiah, Apollonius, Arpocras, Isidore, Isaac, Apollonius, Maximus, Marion, Poemenius, and Helpidius — bishops and Catholic clergy from Egypt residing at Constantinople. Chapter I: Leo Consoles the Exiled Clergy and Urges Patient Endurance, With Confidence in God’s Help and the Emperor’s Support The tribulation which […]

Letter CLIII, from Pope Leo to Aetius, Presbyter of Constantinople

Leo to Aetius, presbyter. Chapter I: Leo Acknowledges Aetius’s Diligence and Directs Him to Deliver the Letters to the Eastern Metropolitans We have received the letters of your charity, which testified to your diligence in the cause of the Church; and briefly for now we exhort you to press on watchfully with what you have […]

Letter CLII, from Pope Leo to Julian, Bishop of Cos

Leo to Julian, bishop. Chapter I: Leo Directs Julian to Ensure the Metropolitan Letters Reach Each Bishop, and Urges Unwavering Steadfastness Taking occasion of the return of our son Gerontius to Constantinople, it was fitting to direct writings to your charity, by which we encourage your zeal in ecclesiastical matters and in those things which […]

Letter XCIV, from Pope Leo to Emperor Marcian

Leo, bishop, to Marcian, ever Augustus. Leo Commends His Legates to the Emperor and Requires That No Disputation on the Faith Be Admitted I received with heartfelt gladness your clemency’s holy zeal to hold a synod for the restoration of ecclesiastical peace — even though I had requested it be held in Italy, and had […]

Letter XCIII, from Pope Leo to the Synod at Chalcedon

Leo, bishop, to the holy Synod established at Nicaea, most beloved brothers in the Lord, greetings. Chapter I: Leo Notes That Neither Time Nor Custom Permits His Attendance but Declares He Will Be Present in His Legates and Preside Through Them I had desired, most beloved, for the charity of our college, that all bishops […]

Letter XC, from Pope Leo to Emperor Marcian

Leo, bishop, to Marcian, ever Augustus. Chapter I: Leo Consents to the Council; Ephesus II Cannot Be Called a Council; Marcian Has Annulled It I had requested your most glorious clemency to postpone the synod — which both you and we deemed necessary for restoring the Eastern Church’s peace — to a more opportune time, […]

Letter LXXXII, from Pope Leo to Emperor Marcian

Leo, bishop, to Marcian, ever Augustus. Chapter I: Thanksgiving for the Catholic Faith and the Peace of the Empire; Leo’s Confidence in Marcian’s Governance How many things there are for which we must give thanks to our God — whose mercy it is that you, most glorious emperor, govern human affairs with such wise providence […]

Letter XXXVII, from Pope Leo to Emperor Theodosius

Leo, bishop, to the most religious Emperor Theodosius. The Unity of Faith Must Be Preserved; Leo Sends Those Who Fulfill His Presence’s Role, for the Matter Admits No Doubt Having received Your Clemency’s letters, I perceive great cause for the universal Church to rejoice — that you wish the Christian faith, by which the divine […]

Letter XXXVI, from Pope Leo to Bishop Flavian of Constantinople

Leo, bishop, to the most beloved brother Flavian. The Legates Follow; The Matter Requires No Synodal Treatment I have received your beloved’s letters along with the acts completed among you concerning the question of the faith. And since the most clement emperor, solicitous for the Church’s peace, wished a synod to be convened — though […]

The Early Church and Peter's Primacy