Pope Leo I, 'the Great' (r. 440-461), Third Sermon on His Ordination

Trans. Charles Lett Feltoe, The Letters and Sermons of Leo the Great, Bishop of Rome, in A Select Library of the Nicene and Post-Nicene Fathers of the Christian Church, ed. Philip Schaff and Henry Wace, 2d ser., vol. 12 (New York, 1895; repr. Grand Rapids, Mich.: Wm. B. Eerdmans Publishing Company, 1964), pp. 116-118.  Uploaded and modernized with introductory notes by John S. Ott, Department of History, Portland State University.  A portion of the same translation appears on the Internet Medieval Sourcebook at Fordham University, formerly maintained by Paul Halsall.  Feltoe's translation is in the public domain.

The text below is slightly abridged.  Footnotes in the original text have generally been omitted here and biblical quotations have been revised following the Oxford Study Edition of the New Revised English Bible with Apocrypha, ed. Samuel Sandmel (Oxford University Press, 1989).  Revised 8 July 2010.




Notes to the text:

Italian-born, Leo rose to preeminence in the Roman church and went on to become one of its most powerful early medieval popes.  During his eventful pontificate, he combatted established and emergent non-orthodox Christian sects, including Pelagians, Priscillianists, Manichaeans, Nestorians, and Eutychians.  His reign was crucial for the centralization of the priesthood under papal power and authority, as his sermon below on the "Petrine doctrine" epitomizes.  Leo sent Latin delegates to the important, fourth ecumenical Council of Chalcedon in 451, convened by the Roman (Byzantine) Emperor Marcian (r. 450-457) and attended by more than 500 bishops from all over Christendom.  The Council grappled and ultimately decreed the orthodox position on the nature of Christ, repudiating the assertion that Christ possessed only one nature, a view then widely held by many Christians (termed Monophysites for their subordination of Christ's human nature to his divinity).  The Council of Chalcedon passed 27 canons and added a subsequent resolution.  Leo rejected the resolution, which elevated the church and patriarch of Constantinople to an authoritative position within Christendom virtually equal to that of Rome.  The Monophysite reaction to Chalcedon's canons on Christ's nature was violent and angry in Egypt and Palestine, and the unity of the Christian church was pressed hard in the ensuing decades.

Leo is equally famous for confronting Attila the Hun outside Rome the following year, in 452.  He and other delegates sent by the Romans successfully negotiated Attila out of making a frontal assault on the city.  Attila retired and died the following year.

The sermon below is dated to 443 C.E.



Delivered on the anniversary of his elevation to the pontificate.

I.  The honor of being raised to the episcopate must be referred solely to the divine head of the Church.

As often as God's mercy deigns to bring around the day of His gifts to us, there is, dearly beloved, just and reasonable cause for rejoicing, if only our appointment to [papal] office be referred to the praise of Him who gave it [to us].  For though this recognition of God may well be found in all of His priests, yet I take it to be peculiarly binding on me, who, regarding my own utter insignificance and the greatness of the office undertaken, ought myself also to utter that exclamation of the prophet, "O Lord, I have heard tell of thy deeds; I have seen, O Lord, thy work." [1] . . . And finally, now that the mystery of this Divine priesthood has descended to human agency, it runs not by the line of birth, nor is that which flesh and blood created chosen, but without regard to the privilege of paternity and succession by inheritence, those men are received by the Church as its rulers whom the Holy Ghost prepares.  So that in the people of God's adoption, the whole body of which is priestly and royal, it is not the prerogative of earthly origin which obtains the unction, but the condescension of Divine grace which creates the bishop.

II.  From Christ and through St. Peter the priesthood is handed on in perpetuity.

Although, therefore, dearly beloved, we be found both weak and slothful in fulfilling the duties of our office, because, whatever devoted and vigorous action we desire to do, we are hindered by the frailty of our very condition; yet having the unceasing propitiation of the Almighty and perpetual Priest, who being like us and yet equal with the Father, brought down His godhead even to things human, and raised His manhood even to things divine, we worthily and piously rejoice over His dispensation, whereby, though He has delegated the care of His sheep to many shepherds, yet He has not Himself abandoned the guardianship of His beloved flock.  And from His overruling and eternal protection we have received the support of the Apostles' aid also, which assuredly does not cease from its operation.  And the strength of the foundation, on which the whole superstructure of the Church is reared, is not weakened by the weight of the temple that rests upon it.  For the solidity of that faith which was praised in the chief of the Apostles is perpetual: and as that remains which Peter believed in Christ, so that remains which Christ instituted in Peter.  For when, as has been read in the Gospel lesson, the Lord had asked the disciples whom they believed Him to be amid the various opinions that were held, and the blessed Peter had replied, saying, "You are the Messiah, the Son of the living God," the Lord says, "Simon son of Jonah, you are favored indeed!  You did not learn that from mortal man; it was revealed to you by my heavenly Father.  And I say this to you: You are Peter, the Rock, and on this rock will I build my church, and the powers of death shall never conquer it.  I will give you the keys of the kingdom of Heaven; what you forbid on earth shall be forbidden in heaven, and what you allow on earth shall be allowed in heaven."[2]

III.  St. Peter's work is still carried out by his successors.

The dispensation of truth therefore abides; and the blessed Peter persevering in the strength of the rock, which he has received, has not abandoned the helm of the Church, which he undertook.  For he was ordained before the rest in such a way that, from his being called the rock, from his being pronounced the foundation, from his being constituted the doorkeeper of the kingdom of heaven, from his being set as the umpire to bind and to loose, whose judgments shall retain their validity in heaven, from all these mystical titles we might know the nature of his association with Christ.  And still today he more fully and effectually performs what is entrusted to him, and carries out every part of his duty and charge in Him and with Him, through whom he has been glorified.  And so if anything is rightly done and rightly decreed by us, if anything is won from the mercy of God by our daily supplications, it is of his work and merits whose power lives and whose authority prevails in his see [of Rome].  For this, dearly beloved, was gained by that confession, which, inspired in the Apostle's heart by God the Father, transcended all the uncertainty of human opinions, and was endued with the firmness of a rock, which no assaults could shake.  For throughout the Church Peter daily says, "You are the Christ, the Son of the living God," and every tongue which confesses the Lord accepts the instruction his voice conveys.  This faith conquers the devil, and breaks the bonds of his prisoners.  It uproots us from this earth and plants us in heaven, and the gates of Hades cannot prevail against it.[3]  For with such solidity is it endued by God that the depravity of heretics cannot mar it, nor the unbelief of the heathen overcome it.

IV.  This festival then is in St. Peter's honor, and the progress of his flock redounds to his glory.

And so, dearly beloved, with reasonable obedience we celebrate today's festival by such methods, that in my humble person he [i.e., Peter] may be recognized and honored, in whom abides the care of all the shepherds, together with the charge of the sheep commended to him, and whose dignity is not abated even in so unworthy an heir.  And hence the presence of my venerable brothers and fellow-priests, so much desired and valued by me, will be the more sacred and precious, if they will transfer the chief honor of this service in which they have deigned to take part to him whom they know to be not only the patron of this see [that is, Rome], but also the primate of all bishops.[4]  When, therefore, we utter exhortations in your ears, holy brethren, believe that he is speaking whose representative we are: because it is his warning that we give, nothing else but his teaching that we preach, beseeching you to "be mentally stripped for action"[5] and lead a chaste and sober life in the fear of God, and not to let your mind forget his supremacy and consent to the lusts of the flesh. . . .  For though the whole Church, which is in all the world, ought to abound in all virtues, yet you especially, above all people, it becomes to excel in deeds of piety, because founded as you are on the very citadel of the apostolic rock, not only has our Lord Jesus Christ redeemed you in common with all men, but the blessed apostle Peter has instructed you far beyond all men.  Through the same Christ our Lord. [Amen.]

Endnotes


1.  Habakkuk 3:2.
2.  Matt. 16:15-19.
3.  Echoing again Matt. 16:18.
4.  Leo is here referring to himself, of course.
5.  Or: "gird up the loins of your mind" (Feltoe trans.). 1 Peter 1:13.