Why Orthodoxy

A fully-sourced case, claim by claim, with traceable citations

Chapter 02 of 12 · The case for Orthodoxy

The Question of Rome: Primacy, Jurisdiction, Infallibility

Was the bishop of Rome, in the first millennium, the universal ordinary judge of the whole Church by divine right — or first among equals, in honor and safeguard, as the East and the ancient canons witness? The difference determines everything downstream, and it is a matter of the historical record, not of taste.

The form. The disputed question set here is the one on which everything else depends. The objections are the strongest the Roman communion can sustain; each is cited to its own sources. The sed contra quotes the opposition's own canons, popes, and recent official documents. The reader is warned that this is the hardest article in the case, and the site's conclusion offers no comfort to those who want an easy one.

Whether the blessed Peter was constituted by Christ the universal ruler of the Church, and the bishop of Rome, as his successor, invested by divine right with supreme, ordinary, immediate jurisdiction over all pastors and faithful, and with infallibility of teaching.

Objections to the Orthodox position

  1. Obj. 1 — From the express words of Christ. "Thou art Peter, and upon this rock I will build my church; and the gates of hell shall not prevail against it. And I will give unto thee the keys of the kingdom of heaven" (Matthew 16:18–19). "Feed my sheep" (John 21:15–17), thrice, to Peter alone; "I have prayed for thee, that thy faith fail not" (Luke 22:32), to Peter alone. Vatican I grounds its whole doctrine here: "it was on Simon Peter alone that Jesus… bestowed… the jurisdiction of chief pastor and ruler over all his fold." The words are the Lord's, and they are addressed to one man.1
  2. Obj. 2 — From the necessity of visible unity. Christ prayed "that they all may be one" (John 17:21) and promised "one fold, and one shepherd" (John 10:16). A body without a visible head cannot be visibly one; and the empirical record of Orthodoxy confirms it — national churches in rupture over Ukraine (2018), phyletism, autocephalies declared unilaterally. The papacy, whatever its historical excesses, is the only institution in Christendom that can actually teach with one voice, and Ratzinger himself identifies the headless East as the practical proof of the need.2
  3. Obj. 3 — From the witness of the first millennium itself. Clement of Rome wrote with authority to Corinth (c. 96); Irenaeus called Rome's church the one "with which, on account of its more powerful principalitas [preeminence], every church must needs agree"; Chalcedon acclaimed Leo's Tome with "Peter has spoken through Leo"; the Council of Sardica (343) granted appeals to Rome. If the ancient Church treated Rome thus, the East's modern denial refutes the East's own ancestors.3
  4. Obj. 4 — From three first-millennium texts the East rarely quotes. Optatus of Milevis (c. 367) writes that Peter received the episcopal chair first at Rome, "in which one chair unity should be preserved by all." The Formula of Hormisdas (519), subscribed by the patriarch of Constantinople and Eastern bishops to end the Acacian schism, confesses that "in the Apostolic See the Catholic religion has always been preserved without spot." Pope Agatho's letter, received by the Sixth Ecumenical Council itself, claims the Roman church has never turned from the path of truth. These are not medieval forgeries; they are first-millennium witnesses, and two of them are Eastern signatures.19

On the contrary

For the Fathers rightly granted privileges to the throne of Old Rome, because it was the royal city. And the One Hundred and Fifty most religious bishops… actuated by the same consideration, gave equal privileges to the most holy throne of New Rome, justly judging that the city which is honoured with the Sovereignty and the Senate… should also enjoy equal privileges with old royal Rome…

Council of Chalcedon, Canon 28 (451) — grounding Rome's primacy in the royal city, and conferring "equal privileges" on Constantinople.4

And the Second Ecumenical Council, canon 3: the bishop of Constantinople "shall have the prerogative of honour after the bishop of Rome, because Constantinople is New Rome."5 And Pope Gregory the Great: "Let not the title of universality tempt us. None of my predecessors ever consented to use this profane word… whoever calls himself the universal bishop, or desires this title, is, by his pride, the precursor of Antichrist."6 And the Ecumenical Council of Constantinople III (680–681), whose condemnation of Pope Honorius was confirmed by Pope Leo II: a pope condemned for heresy by a council of the whole Church.7 And the Encyclical of the Eastern Patriarchs (1848), rejecting "the infallibility of the Pope and his claim as Vicar of Christ" among the novelties of the West.8 And Cardinal Joseph Ratzinger: "Rome must not require more from the East with respect to the doctrine of primacy than had been formulated and was lived in the first millennium."9

I answer that

The entire dispute — let it be said once, for all — is not whether St. Peter was first among the apostles, nor whether the see of Rome held primacy of honor in the ancient Church. On both, the East agrees with the West without reserve; the Orthodox Church has never ceased to accord to the throne of Rome the first place among the ancient sees — first in honor, now vacant of communion. She does not commemorate the bishop of Rome by name in her diptychs, and has not done so since the break; to say otherwise would be a lie. The dispute is precisely and only this: whether the see of Rome possesses by divine right universal, ordinary, immediate jurisdiction over every church and pastor, and an infallibility whose definitions are "irreformable of themselves, and not from the consent of the Church" (ex sese, non autem ex consensu ecclesiae) — as defined at the Vatican Council in 1870.10 That is the article; nothing else is in question.

Against that article the first-millennium record is uniform and is the property of both churches. The canons of Constantinople (381) and Chalcedon (451) — which the West's own historians cannot expunge — ground Rome's preeminence in the imperial city and confer "equal privileges" on another see: the conciliar architecture of the undivided Church is a community of churches ordered in honor, with Rome first in order, not a monarchy with Rome over all. Pope Gregory the Great, a Pope, expressly repudiates universal jurisdiction as an innovation and a pride. When the Third Council of Constantinople condemned Pope Honorius for heresy — and Leo II confirmed it — the Church of the first millennium demonstrated, by act, that no see was exempt from the judgment of the whole. There is no ecumenical conciliar canon of the first millennium that grants Rome universal ordinary jurisdiction. There are papal letters that claim more — Gelasius (494) says the apostolic see "is judged by no one," and Hormisdas and Agatho speak as if Rome were the unspotted norm. Those letters are real, and they must be answered, not denied. What they are not is a council of the whole Church defining the 1870 dogma. The canons of Constantinople and Chalcedon still ground Rome's place in the royal city; Gregory the Great still refuses the title "universal bishop," even while (in Ep. V.18) admitting Chalcedon had offered that title to Rome and his predecessors had declined it; Leo II, confirming Honorius's condemnation, recast it as negligence rather than personal heresy — a gloss the East notes and does not hide.11

The maximalist doctrine is, on the other hand, dated with precision — and its textual scaffolding is later still. The Pseudo-Isidorian Decretals (ninth century) and the Donation of Constantine supplied the medieval canonists with forged papal law; Lorenzo Valla exposed the Donation in 1440. The West itself then produced the strongest conciliarist counter-text in its own list of councils: Haec sancta at Constance (6 April 1415) declared that a general council "has its power immediately from Christ" and that "everyone of whatever state or dignity, even papal, is bound to obey it." The Gallican Articles (1682) and Döllinger's refusal of Vatican I (excommunicated 1871) show that even Latin Christendom did not receive 1870 as obvious. Unam Sanctam (1302): "it is absolutely necessary for salvation that every human creature be subject to the Roman pontiff."12 Florence (1439): "the same Roman pontiff… has full power to feed, rule, and govern the universal Church."13 Vatican I (1870): the full definition, with the ex sese clause.10 Each is a second-millennium act, issued by the authority whose scope is itself the point at issue — which is why the East has always declined to be bound by them. The modern Roman documents concede the burden in Rome's own words: Ut Unum Sint (1995) asks the churches to seek "the forms in which this ministry may accomplish a service of love recognized by all concerned";14 the Ravenna Document (2007) affirms that primacy must be exercised within synodality, "at the service of the communion of the churches";15 Ratzinger says plainly that Rome must require of the East only what was lived in the first millennium.9 The Orthodox reply has never varied: we agree with every one of these concessions. Restore the primacy of the first millennium — honor, safeguard, witness — and communion is possible; retain the 1870 ex sese universal ordinary, and the Creed of the soul requires believing in an office the Church of the Councils never knew.

Three qualifications, for fairness. First, the West's concern for visible unity is not contemptible; it is answered, not mocked (Reply to Obj. 2). Second, the East does not deny that Rome's ancient voice carried unique weight; it denies only the jurisdictional form, and it honors the doctrinal primacy of the first-millennium see without reserve (Reply to Obj. 3). Third, the Orthodox have their own unanswerable wound — the lack of any human organ to decide (Chapter 3); the defect is real, and the site says so plainly. But a real defect in the East does not thereby confer on Rome an authority the first millennium does not record; the burden is on the claim, and the claim is later than the record.

Replies to the objections

  1. Reply to Obj. 1. The words of Christ to Peter are real, and so is the Fathers' reading of them — which is not Rome's. The commentators of the first millennium, East and West, read "this rock" as the Lord Himself or as Peter's confession: Chrysostom, Basil, Hilary, Ambrose; Augustine weighed both readings and would not condemn the confession-reading; Cyprian taught that "the other apostles were also what Peter was," and that the Church is built on one rock because unity is one. The same Gospel gives the keys to Peter alone in 16:19 and to all in 18:18; the same Apostle says "I am also an elder" (1 Peter 5:1); the Council of Jerusalem is presided by James, and the greatest apostle withstands Peter "to the face" (Galatians 2:11); the foundation laid in heaven is plural — "the foundation of the apostles and prophets, Jesus Christ himself being the chief corner stone" (Ephesians 2:20). Scripture gives Peter a primacy of order and office; it does not give his presumed successors universal monarchy, and the first-millennium exegetes did not find it there.16
  2. Reply to Obj. 2. The head of the Church is Christ; the body is governed by councils; and the visible papacy has its own history of visible disaster. "Christ is the head of the church, and he is the saviour of the body" (Ephesians 5:23). For forty years (1309–1377) the papacy sat at Avignon under French kings, and for forty more (1378–1417) the West had two, then three, rival popes, each excommunicating the others' flocks, with no criterion to decide — the very reason Ratzinger himself gives for the collapse of Western ecclesial consciousness into the Reformation. One voice, on that record, is not the pope's; it is the Church's, when she speaks in council, as the first millennium knew. The Orthodox fragmentation over administration is real and is here acknowledged; it is not the fragmentation of the faith, which remains one Creed, once delivered, unaltered in every Orthodox church on earth.17
  3. Reply to Obj. 3. Every text adduced is real — and every one, read whole, proves the East's distinction. Clement writes as a sister church admonishing a sister; Irenaeus' "principalitas" is grounded in the city's apostolic foundation by Peter and Paul and makes Rome the standard of the faith to be agreed with, not a tribunal; Chalcedon's "Peter has spoken through Leo" was an acclamation of the faith of Leo's Tome, received because true — the same council that enacted canon 28 against Rome's jurisdictional claim, then wrote to Leo asking his confirmation of that canon (Ep. 98), which Catholics cite as proof that conciliar acts needed papal ratification. The letter proves the East wanted Rome's consent as first see; it does not prove 1870. Sardica's appellate canons were a Western council the East never received. Apostolic Canon 34 — "neither let him who is first do anything without the consent of all" — is the East's own first-millennium rule, and the Ravenna Document itself cites it.18
  4. Reply to Obj. 4. Optatus, Hormisdas, and Agatho are the texts a serious Catholic case must lead with — and they still fall short of the 1870 dogma. Optatus is arguing against Donatists that there is one chair of Peter as a sign of unity, not that every bishop is Rome's vicar. The Formula of Hormisdas was signed after thirty-five years of schism, under imperial pressure, to restore communion; subscription to a peace formula is not reception of a dogma of universal ordinary jurisdiction, and the same East that signed it later condemned a pope at Constantinople III. Agatho's letter was examined by that council before it was received: the council acclaimed the faith of the letter, not an unchecked papal oracle. If Agatho had been speaking the 1870 doctrine, Honorius could not have been condemned in the same synod. These three texts prove a real Roman weight in the first millennium. They do not prove that weight was what Vatican I defined.19

Citations for this chapter

  1. Matthew 16:18–19; John 21:15–17; Luke 22:31–32 (KJV): Matthew 16:18–19. Vatican I, Pastor Aeternus (1870), ch. 1: official English, vatican.va; official Latin, vatican.va.
  2. John 10:16; 17:21 (KJV). The empirical case and Ratzinger's diagnosis: Joseph Ratzinger, Principles of Catholic Theology (1987), pp. 193–203, full text online. The Moscow–Constantinople rupture (2018–2019): Wikipedia: Autocephaly of the Orthodox Church of Ukraine.
  3. I Clement (c. 96): earlychristianwritings.com. Irenaeus, Against Heresies 3.3.2: newadvent.org/fathers/0103.htm. Leo's Tome and the acclamation "Peter has spoken through Leo": NPNF2-14, newadvent.org/fathers/3811.htm. Council of Sardica (343), canons 3–5.
  4. Council of Chalcedon, Canon 28 (451), trans. Percival: newadvent.org/fathers/3811.htm; also intratext.com.
  5. Council of Constantinople, Canon 3 (381): NPNF2-14, newadvent.org/fathers/3808.htm.
  6. Gregory the Great, Letters, esp. Book VIII, Ep. 30 (to Eulogius) and Book V, Ep. 43 (to John the Faster), NPNF 2nd ser., vols. 12–13: newadvent.org/fathers/3602.htm.
  7. Third Council of Constantinople (680–681), condemnation of Pope Honorius, confirmed by Leo II: NPNF2-14, newadvent.org/fathers/3813.htm; Wikipedia: Honorius I; Denzinger 552.
  8. Encyclical of the Eastern Patriarchs (1848), §5.xii: Fordham Sourcebook.
  9. Ratzinger, Principles of Catholic Theology, pp. 199–200: full text online.
  10. Vatican I, Pastor Aeternus (1870), chh. 3–4 ("ex sese, non autem ex consensu ecclesiae"): official English vatican.va; Denzinger 3050–3075.
  11. On the absence of universal immediate jurisdiction from the first-millennium sources, see the Catholic scholarship of Francis Dvornik, Byzantium and the Roman Primacy (1966), and the canons cited above (fns. 4–7).
  12. Boniface VIII, Unam Sanctam (Nov 18, 1302): newadvent.org (Catholic Library); papalencyclicals.net; Fordham.
  13. Council of Florence, Laetentur Caeli (July 6, 1439): uoregon.edu (full text); Denzinger 1307 (the primacy decree).
  14. John Paul II, Ut Unum Sint (May 25, 1995), §§95–96: vatican.va.
  15. Ravenna Document (Oct 13, 2007), §§43–46: christianunity.va.
  16. Patristic exegesis: Chrysostom, Homilies on Matthew 54; Augustine, Retractations 1.21; Cyprian, Unity of the Catholic Church 4 (note the double recension of this chapter — Catholics cite the "Primacy Text"; the received text is what is quoted here): newadvent.org/fathers/0507.htm. Hilary, De Trinitate 6.36, reads the Church as built on the confession. Scripture: Ephesians 2:20; Galatians 2:11; 1 Peter 5:1 (KJV): Galatians 2:11.
  17. Ephesians 5:23 (KJV): biblegateway.com. The Avignon papacy and the Great Western Schism (1378–1417), with Ratzinger's account of their consequences: Ratzinger, Principles of Catholic Theology, pp. 197–198.
  18. Irenaeus 3.3.2 and Chalcedon's reception of Leo's Tome: fns. 3–4 above. Apostolic Canon 34: ANF 7; also cited in the Ravenna Document §41. Gelasius I (494) on the apostolic see judged by no one: Denzinger 163–164. Gregory, Ep. V.18, on Chalcedon offering Rome the title "universal": NPNF2-12.
  19. Optatus of Milevis, Against the Donatists II.2–3 (c. 367): tertullian.org (Book 2). Formula of Hormisdas (519): Catholic Encyclopedia, "Hormisdas": newadvent.org/cathen/07470a.htm. Agatho's letter received at Constantinople III: NPNF2-14, newadvent.org/fathers/3813.htm. Haec sancta, Council of Constance, Session 5 (6 April 1415): uoregon.edu. Gallican Articles (1682): csun.edu. Döllinger and the Old Catholics: Catholic Encyclopedia, "Old Catholics": newadvent.org/cathen/11235b.htm.