The Early Church and Peter's Primacy

Letter CXXXIX, from Pope Leo to Juvenal, Bishop of Jerusalem

Leo, bishop of the city of Rome, to Juvenal, Bishop of Jerusalem. Chapter I: Leo Congratulates Juvenal’s Return but Names His Prior Tergiversation; the Holy Places Themselves Are a Rebuke to Eutychian Error Having received the letters of your dilection — brought to me by our sons Andrew the presbyter and Peter the deacon — […]

Letter CXXXII, from Bishop Anatolius of Constantinople to Pope Leo

Anatolius, bishop of Constantinople, to the most holy and blessed fellow bishop, Pope Leo, greetings in the Lord. Chapter I: Anatolius Reports Immediate Compliance With Leo’s Letters, and Expresses His Desire to Obey Leo’s Commands in All Things I had hoped that all the comfort and support required by a life filled with labors and […]

Letter CXXVI, from Pope Leo to Emperor Marcian

Leo, bishop, to Marcian Augustus. Leo Thanks Marcian for the Restoration of Juvenal and the Pacification of Palestine, and Urges His Continued Zeal for the Universal Church Gladdened by the double words of your clemency, I respond with due thanksgiving — rejoicing in the mercy of God, who placed glorious protection in the virtues of […]

Letter CXXIII, from Pope Leo to Empress Eudocia

Leo, bishop, to Eudocia Augusta. Chapter I: Leo Explains the Perverse Misreading of His Letter to Flavian and the Catholic Middle Path How great is my solicitude — which I owe to the universal Church and to all her sons — how much I must care for the relationship of your dilection: it has become […]

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 CXIX, from Pope Leo to Bishop Maximus of Antioch

Leo, bishop, to Maximus, Bishop of Antioch, through Marianus the presbyter and Olympius the deacon. Chapter I: The Catholic Faith Holds the Middle Path Between Nestorianism and Eutychianism Your letters — delivered by our sons Marianus the presbyter and Olympius the deacon — show how the sacred unity of the common faith and the tranquil […]

Letter CXVIII, from Pope Leo to Bishop Julian of Cos

Leo, bishop, to Julian, Bishop of Cos. Chapter I: Leo Affirms That Nothing Has Been Omitted in Defending the Faith and the Universal Church I received your letters, sent through our son the illustrious Esychius, when I had already replied to the renewed occasion of your recent letters. Since you rightly lament these most impious […]

Letter CXVII, from Pope Leo to Bishop Julian of Cos

Leo, bishop, to Julian, Bishop of Cos. Chapter I: Leo Confirms Sending the Formal Consent to All Chalcedonian Bishops, and Directs Julian to Press the Emperor for Broader Circulation Your letters’ text shows how vigilantly and devotedly your brotherhood strives for the Catholic faith — greatly relieving my solicitude with their instruction. The most religious […]

Letter CXVI, from Pope Leo to Empress Pulcheria

Leo, bishop, to Pulcheria Augusta. Chapter I: Leo Thanks Pulcheria for Her Sanctions Against the Rebellious Monks Although I have received no letters from your piety at this time, the writing of the most glorious prince brought me no less joy than if the words of your serenity had been addressed to me. Upholding my […]

Letter CXV, from Pope Leo to Emperor Marcian

Leo, bishop, to Marcian Augustus. Chapter I: Leo Thanks Marcian, Explains Why a New Letter Was Necessary, and Names Anatolius’s Deliberate Concealment Your clemency’s letters give me much cause for joy — as I experience, through the great mercy of divine providence, that you deign to aid ecclesiastical peace with most pious zeal, glorious Augustus: […]

Letter CXIV, from Pope Leo to the Bishops at the Chalcedon Synod

Leo, bishop, to the bishops gathered at the holy Synod of Chalcedon. Chapter I: Leo Formally Confirms His Agreement With Chalcedon’s Faith Definition, and Explains Why He Is Writing Directly to the Bishops I have no doubt that your entire brotherhood knows that I embraced with my whole heart the definition of the holy synod […]

Letter CXIII, from Pope Leo to Bishop Julian of Cos

Leo, bishop of Rome, to Julian, Bishop of Cos. Chapter I: Leo Laments the Aetius Situation and Explains His Deferred Action Against Anatolius I recognize in your letters the affection of brotherly charity — that you share our pious sorrow for the many and grievous evils we have endured. May these trials, which the Lord […]

Letter CX, from Emperor Marcian to Pope Leo

Victors Valentinianus and Marcianus, glorious triumphators, ever Augusti, to the most holy and truly venerable Leo, Archbishop. Marcian Reports Doubt About Leo’s Confirmation of Chalcedon and Requests a Definitive Public Statement We earnestly pray with the serenity of our words that Your Beatitude prospers, requesting that you impart the favor of your prayers’ intercession for […]

Letter CIX, from Pope Leo to Bishop Julian of Cos

Leo, pope, to Julian, Bishop of Cos. Chapter I: Leo Laments the Violent Eutychian Disturbances Among Palestinian Monks Grave and deeply lamentable are the things which your brotherhood reports of the tumults of false monks — as Eutyches’s impious fury wages war against evangelical and apostolic preaching, recoiling to the ruin of himself and his […]

Letter CVI, from Pope Leo to Bishop Anatolius of Constantinople

Leo, bishop, to Anatolius, bishop. Chapter I: Leo Praises Anatolius’s Recovery From Disorderly Beginnings but Reproves His Ambition With the light of evangelical truth disclosed, as We had hoped, through God’s grace, and the universal Church freed from the night of most pernicious error, We rejoice beyond all telling in the Lord that the labor […]

Letter CV, from Pope Leo to Empress Pulcheria

Leo, bishop, to Pulcheria Augusta. Chapter I: Leo Rejoices That Both Those Who Stood Firm and Those Who Were Led Astray Have Overcome the Enemy We rejoice beyond all telling in the holy and God-pleasing efforts of your clemency — defending the Catholic faith against heretics and restoring peace to the universal Church. We give […]

Letter CIV, from Pope Leo to Emperor Marcian

Leo, bishop, to Marcian Augustus. Chapter I: Leo Rejoices in the Victory of the Faith and the Utility of Error in the Church The joys of the entire Catholic Church multiplied beyond telling through God’s great mercy — its most pernicious error extinguished through the holy and glorious zeal of your clemency. With your principate’s […]

Letter CIII, from Pope Leo to the Bishops of Gaul

Leo, to his most beloved brothers Rusticus, Ravennium, Venerius, Constantianus, Maximus, Armentarius, and the other bishops throughout Gaul. Leo Announces the Return of His Legates and Transmits the Exemplar of the Sentence Against Dioscorus With our common vows fulfilled through God’s mercy, it is fitting that your brotherhood share in the joys of these holy […]

Letter CII, from Pope Leo to the Bishops of Gaul

Leo, bishop of the city of Rome, to Ravennium, Rusticus, Venerius, Constantianus, Maximus, Armentarius, Florus, Sabinus, Valerianus, Constantius, Maximus, Asclepius, Nectarius, Maximus, Ursus, Ingenuus, Justus, Valerius, Superventor, Chrysaphius, Fonteius, Petronius, Idatius, Ætherius, Eulalius, Eustathius, Fraternus, Victurus, Eugenius, Hilarus, Verus, Amandus, Gerontius, Proculeianus, Julianus, Helladius, Armentarius, Honoratus, Eparchius, Anemius, Dynamius, Maximinus, Ynantius, and Palladius, bishops throughout […]

Letter CI, from Bishop Anatolius of Constantinople to Pope Leo

To the most holy and most blessed father and fellow minister, archbishop of ancient Rome, Leo: Anatolius, in the Lord, greetings. Chapter I: Anatolius Reports That the Proceedings Have Been Sent to Rome and Praises Leo’s Solicitude for the Faith The zeal of your holiness for piety, and your solicitude for the right faith — […]

The Early Church and Peter's Primacy