The Early Church and Peter's Primacy

Letter LXXV, from Pope Leo to Presbyters Faustus and Martinus

Leo, bishop, to Faustus and Martinus, presbyters and archimandrites. Through Maximinus, count. Chapter I: Leo Declares It Intolerable That Ephesus Acted Against the Faith; By God’s Favor the Liberty of Catholics Has Greatly Increased Embracing every occasion to write, I do not cease to address your charity with episcopal affection — so that from the […]

Letter LXXIV, from Pope Leo to Presbyter Martinus

Leo, bishop, to his most beloved Martinus, presbyter. Leo Praises Martinus’s Faith; True God and True Man Confessed; Legates Sent for the Liberty of the Apostolic Faith We give thanks to God and take great confidence in pious joy, knowing that your charity and Catholic brotherhood thrive so vigorously in the spirit of faith that […]

Letter LXXII, from Pope Leo to Presbyter Faustus

Leo, bishop, to his most beloved Faustus, presbyter. Leo Praises Faustus’s Faith and Exhorts Him to Steadfast Solicitude It is always pleasing to me to address your charity and discharge the duty of salutation — for I know you to be a trustworthy guardian of the most sincere faith, not carried about by every wind […]

Letter LXXI, from Pope Leo to the Archimandrites of Constantinople

Leo, bishop, to Faustus, Martinus, Petrus, Manueli, Job, Antiochus, Abrahamius, Theodorus, Pientius, Eusebius, Helpidius, Paulus, Asterius, and Charosus, presbyters and archimandrites, and Jacobus, deacon and archimandrite. Leo Complains of Anatolius’s Silence on Renouncing Errors; Legates Dispatched; The Archimandrites Called to Collaborate The cause of the faith — on which Christian salvation rests — compels me […]

Letter LXX, from Pope Leo to Empress Pulcheria

Leo, bishop, to Pulcheria Augusta. Leo Awaits Anatolius’s Profession of Faith; The Tome or Cyril’s Letter Required; The Italian Council Sought I rejoice in the faith of your clemency, which you worthily devote to renewing the ecclesiastical peace that has been seen to be disturbed by the dissensions of certain persons. It especially pertains to […]

Letter LXIX, from Pope Leo to Emperor Theodosius

Leo, bishop, to Theodosius, ever Augustus. Chapter I: Leo Suspends Consent to Anatolius’s Ordination; The Catholic Profession Required; To Be Published to the Apostolic See Amid the solicitude we bear for the faith, all your piety’s letters have offered us great hope of security, commending the Nicene council — so that, as you often write, […]

Letter LXVII, from Pope Leo to Bishop Ravennius of Arles

Leo, pope, to his most beloved brother Ravennius. Leo Sends Ravennius His Letter to Flavian and Commissions the Distribution of the Tome Throughout Gaul We long detained our sons Petronius, presbyter, and Regulus, deacon, in the City — as they merited this favor and the cause of the faith, now assailed by the error of […]

Letter LXIII, from Emperor Theodosius to Empress Galla Placidia

To my lady Galla Placidia, venerable Augusta — Theodosius. Theodosius Defends the Ephesine Council; Nothing Has Been Defined Beyond the Paternal Faith; Flavian Was Rightly Expelled From your clemency’s letters our eternity has learned what the most reverend patriarch Leo requested of your eternity. By these letters, accordingly, we indicate that what was said by […]

Letter LXII, from Emperor Theodosius to Emperor Valentinian

To my lord Valentinian Augustus — Theodosius. Theodosius Affirms the Council of Ephesus Was Rightly Convened and Properly Conducted; Flavian Received His Due; Peace Now Reigns in the Churches That your meekness arrived in Rome and the petition presented by the most reverend patriarch Leo — these have been indicated in the very text of […]

Letter LXI, from Pope Leo to Presbyters Martinus and Faustus

Leo, bishop, to Martinus and Faustus, presbyters and archimandrites. Chapter I: Leo Informs Martinus and Faustus of the Letters Sent to Them That God is the author of good works and spiritual zeal — rousing minds and aiding actions — is beyond doubt. This has appeared clearly to us in present experience. For amidst the […]

Letter LX, from Pope Leo to Empress Pulcheria

Leo, bishop, to Pulcheria Augusta. Praise of Pulcheria’s Faith; The Eutychian Error Strikes at the Foundations of the Christian Religion; A General Council Is Sought Your piety’s letters have caused me very great joy and exultation in the Lord — through which it is clearly shown how much you love the Catholic faith and how […]

Letter LIX, from Pope Leo to the Clergy and People of Constantinople

Leo, bishop, to the clergy, honorati, and people dwelling at Constantinople. Chapter I: Joy at Their Fidelity to Flavian; Those Who Deny Christ’s True Humanity Are Confederates of the Manicheans; Leo’s Fatherly Care Although the memory of what was recently done at the council of priests at Ephesus afflicts Us with much grief — seeing […]

Letter LVII, from Empress Licinia Eudoxia to Emperor Theodosius

To the lord Theodosius, renowned, ever Augustus and father — Licinia Eudoxia, most pious and perpetual Augusta and daughter. Licinia Eudoxia’s Visit to Rome; Leo’s Preaching Moves Her to Tears; She Urges an Italian Council That We desire to come frequently to Rome is for Us a matter of the love of religion — in […]

Letter LIV, from Pope Leo to Emperor Theodosius

Leo, Bishop of the City of Rome, to Theodosius, ever Augustus. Leo Holds the Nicene Faith; Eutyches Is to Be Condemned No Less Than Nestorius; A Council Within Italy Is Requested It is fitting that the most Christian prince be solicitous for the integrity of the Catholic faith, and for this I ask the divine […]

Letter LII, from Bishop Theodoret of Cyrrhus to Pope Leo

Theodoret, Bishop of Cyrrhus, to Leo, Bishop of Rome. Chapter I: It Is Fitting That the Apostolic See Hold First Place in All Things; Peter and Paul’s Tombs Have Made It the Apex of All Good If Paul, the herald of the truth, the trumpet of the Holy Spirit, betook himself to the great Peter […]

Letter LI, from Pope Leo and the Roman Synod to the Archimandrites of Constantinople

Leo, bishop, and the holy Synod convened in the city of Rome, to Faustus, Martinus, Petrus, and Emmanuel, presbyters and archimandrites of Constantinople, most beloved sons in the Lord. Urge to Hold Firm in Faith and with Flavian; Ephesus II’s Acts Are Invalid Though the things we wrote regarding solicitude for the Constantinopolitan Church might […]

Letter XLVIII, from Pope Leo to Bishop Julian of Cos

Leo, bishop, to the most beloved brother and fellow bishop Julian. Leo Acknowledges the Ephesine Disaster and Urges Julian to Hold Firm Having learned what was done at Ephesus through the presumption of one man — things most grievous, committed impiously and furiously — we have been greatly afflicted; yet, directing our minds to the […]

Letter XLVII, from Pope Leo to Bishop Anastasius of Thessalonica

Leo, bishop of the city of Rome, to the most beloved brother Anastasius, Bishop of Thessalonica. Chapter I: Providence Kept Anastasius from Ephesus II From the report of our deacon Hilarus we have learned how great a crime was committed at the instance and execution of the Alexandrian bishop — so that while long-standing jealousies […]

Letter XLIV, from Pope Leo and the Roman Synod to Emperor Theodosius

Leo, bishop, and the holy synod convened in the city of Rome, to Emperor Theodosius. Chapter I: The Ephesine Pseudo-Synod Favored Private Enmities and Disrupted the Church; Apostolic Letters Were Rejected; Actions Were Coerced; Hilarius Barely Escaped; The Synod Is Never to Be Accepted by the Apostolic See From your clemency’s letters, sent to the […]

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 […]

The Early Church and Peter's Primacy