The Early Church and Peter's Primacy

Letter X, from Pope Simplicius to Emperor Zeno

Synopsis: Simplicius thanks Zeno for restoring the Alexandrian Church to the ancient and true faith through the Catholic bishop Timothy, and urges him to command the exile of Peter Mongus, the condemned invader who is reported to be secretly plotting against what the emperor has established.

Simplicius, bishop, to Zeno Augustus.

Simplicius Gives Thanks for the Restoration of the Alexandrian Church and Claims Special Joy as the One Who Bears the Care of All the Churches

Through Peter, the distinguished count of the most noble lady Pacidia, the glory of your triumphant reign in the Lord is magnified, long since, with the exultation of divine gifts, since I recall having offered the letters of my humble self together with the joy of the universal Church. Nor among all the priests of the Catholic faith could I either be the only one to remain silent about the works of our Lord, or the first [to speak]: because, following the blessed Apostle Paul, sustaining the care of all the Churches (2 Cor. 11:28), I have specially claimed for myself the greatest joy from their peace, restored through Your Clemency — that, with the aid of the Divinity, the enemies of both religion and the empire having been cast down, We have merited to have you as victors; and in one and the same outcome — with Christ conquering everywhere through you — both the worship of the true faith and the condition of the empire have been restored.

Both of these had been disturbed for a time (with the devil inserting himself), so that with the adversaries of each scattered, the praises of the victor might be the greater. Having therefore obtained the fruit of such splendid virtue, I now also, together with the joy of the universal Church, do this without ceasing: I cannot be silent about the undying gratitude owed, because you have restored the Alexandrian Church to the ancient and true faith in [the person of] Our brother and fellow bishop Timothy. His letters, recently reaching me, report that — with the profanity of the condemned Eutyches and Dioscorus having been expelled — he has returned to govern the orthodox at the see of blessed Peter and the evangelist Mark, as was previously known — urging Us, who were willing, to convey these very things to Your Piety’s senses.

Simplicius Urges Zeno to Guard What He Has Restored and to Command the Exile of Peter Mongus

So that the tranquility of your reign may be perpetual and firm, guard with watchful protection the peace you have granted to all in the aforementioned Church; and what you have done, with the Lord helping you, for the salvation of innocent souls, protect with more religious zeal and more attentive diligence — because it is no less glory to preserve what you have established than to grant it. And it is proven to all that as much divine favor has been bestowed upon you as your piety has shown diligence toward the Christian religion.

And although your foresight would not cease, in every part of your realm, to prefer the tranquility of the Church to public concerns in matters beneficial to the divine worship: I pray nevertheless that you heed what [the situation] seriously demands through Us — or rather, what We ourselves more specially supplicate — that Peter, the invader of the Alexandrian Church and for this reason justly condemned, who is reported to be lurking in the city of Alexandria (as has been written to Us) and plotting certain things against what you have established — be commanded by your most pious decree to be transferred to distant places: lest he infect some who are of weak faith (which he is reported to be doing) and draw them over to the instruments of his perversity. Let pernicious contagions be far from the innocent, so that through you, within the sheepfold of the Lord’s flock, there may be the purity which only imperial authority can maintain.

Source/Reference

Notes / Historical Commentary

Letter X is a short but carefully structured letter in which Simplicius thanks the Emperor Zeno for restoring the Catholic bishop Timothy Salofaciolus to the see of Alexandria and urges him to take one further step: the exile of Peter Mongus from the city. The letter has no closing dateline in the transmitted text, but its contents place it after Simplicius’s Letter IX to Acacius (March 13, 478) and after the receipt of further intelligence that Peter Mongus had not in fact disappeared but was still present in Alexandria, plotting against the settlement. The date is therefore sometime in the spring or summer of 478.

The letter’s most significant primacy content is in the opening paragraph, where Simplicius deploys the sollicitudo omnium ecclesiarum formula — the Pauline apostolic burden of 2 Corinthians 11:28, “the care of all the Churches” — to distinguish his own joy from that of other priests at the restoration of Alexandria. All the priests of the Catholic faith rejoice; Simplicius could neither be the only one silent nor the first to speak. But his joy is qualitatively different from theirs: he has “specially claimed for himself” (specialiter vindicavi) the greatest joy, because the care of all the Churches is specifically his. The distinction is between the universal priesthood’s general joy and the Roman bishop’s governing responsibility for that joy. This is the same formula Leo used throughout his correspondence, and the same formula Acacius had acknowledged in his recent letter to Simplicius when he opened by applying 2 Corinthians 11:28 directly to the Roman bishop. Simplicius is here exercising the very solicitude Acacius had acknowledged.

The reference to “the see of blessed Peter and the evangelist Mark” continues the Petrine-Mark derivation argument that Leo had made foundational in Letter IX to Dioscorus. The Alexandrian see is not simply Mark’s see; it is Peter’s see through Mark. Mark was Peter’s disciple, founded the Alexandrian church under Peter’s authority, and Alexandria’s tradition is therefore a branch of Petrine tradition. By naming the see this way — “blessed Peter and the evangelist Mark” with Peter named first — Simplicius maintains the same subordination Leo had established: Alexandria derives its apostolicity from Rome’s apostle. The formula is descriptive rather than argumentative, which makes it all the more revealing: this is simply how the Roman bishop names the Alexandrian see, without feeling any need to argue the point.

The substance of the letter’s request is the exile of Peter Mongus. Simplicius has received intelligence that Peter has not disappeared — as Acacius had reported in his recent letter — but is lurking in Alexandria, plotting against the settlement Zeno has established. The request is practical: only the emperor can exile someone by imperial decree, and Simplicius is asking him to use that specific instrument. The closing phrase — “the purity which only imperial authority can maintain” — is a recognition that the Roman bishop’s ecclesiastical authority and the emperor’s coercive authority serve complementary functions. Simplicius’s letters have already determined by ecclesiastical judgment that Peter is condemned; what Simplicius cannot do is physically remove him from Alexandria. That requires imperial power, and Simplicius asks for it plainly.

The reader should note the developing picture of Peter Mongus across the Simplicius corpus. In Acacius’s letter, Peter had been driven into “eternal flight.” In Letter IX, Simplicius was already recalling Timothy’s earlier diptychs lapse — a sign that the Alexandrian situation was not as settled as Acacius’s optimistic report suggested. Now in Letter X, Simplicius reveals that Peter is not gone at all but is actively subverting the restoration from within the city. The trajectory would continue: Peter Mongus would be installed as patriarch under the Henoticon (482), with Acacius’s support, and his inclusion in the diptychs would be one of the principal grounds of the Acacian Schism. Every letter in this sequence is a step along the path that ends in 484, and Simplicius’s attempt to have Peter exiled in 478 is the moment when the outcome might have been different — if the emperor had acted.

The Early Church and Peter's Primacy