Position · 445

Papal Primacy

The teaching that the bishop of Rome, as successor of Peter, holds full and universal authority over the whole church, and can teach infallibly on faith and morals under defined conditions.

History

Roots

The claim rests on Peter. Jesus calls him the rock on which he will build his church and gives him “the keys of the kingdom of heaven” (Matthew 16:18–19); he prays that Peter’s faith will not fail and tells him to strengthen his brothers (Luke 22:31–32); and after the resurrection he tells him three times to feed his sheep (John 21:15–17). Early tradition placed the deaths of both Peter and Paul in Rome, and the church there drew its standing from that double apostolic foundation as well as from being the capital of the empire.

The Early Church gave Rome a leading place well before anyone defined what that place meant. Around 96 the Roman church wrote to Corinth to settle a dispute there, which shows it felt free to admonish another church (1 Clement). Ignatius of Antioch, writing on his way to martyrdom, greeted the Roman church as the one that “presides” in love (Letter to the Romans). Irenaeus of Lyons, around 180, pointed to Rome’s list of bishops as the plainest proof of apostolic teaching and wrote that every church must agree with it “on account of its preeminent authority” (Against Heresies 3.3.2). What these texts mean is disputed: Catholics read a primacy in germ, Orthodox and Protestants read the honour due an apostolic and capital church.

Causes

The papal claim took its strong form between the fourth and sixth centuries. The Council of Nicaea (325) recognised the customary authority of Alexandria, Rome and Antioch over their regions (canon 6). The Council of Constantinople (381) gave the new capital a “prerogative of honour” after Rome (canon 3), which raised the question of whether Rome’s rank came from Peter or from politics.

Leo the Great (pope 440–461) answered that it came from Peter. He presented himself as Peter’s heir, speaking and acting with Peter’s authority over the whole church. In 445 the western emperor Valentinian III issued a decree, prompted by a dispute between Leo and Hilary of Arles, ordering western bishops to obey the bishop of Rome; that year is the date this note’s metadata gives the position (Saracyn on Novel 17, secondary). At the Council of Chalcedon (451) Leo’s letter on the two natures of Christ, the Tome, was read and the bishops cried that “Peter has spoken thus through Leo” (Acts). The same council then passed canon 28, giving Constantinople equal privileges with Rome on the ground that both were imperial cities. Leo’s legates protested, and Leo refused to accept the canon. Both sides have quoted Chalcedon ever since.

Pope Gelasius I (492–496) added the claim that spiritual authority stands above royal power: “There are two powers, august Emperor, by which this world is chiefly ruled” (letter to Anastasius), with priests answerable for kings before God.

Influence

The medieval papacy built on this. Gregory VII’s Dictatus Papae (1075) claimed “That the Roman pontiff alone can with right be called universal” and that he could depose emperors (text). Boniface VIII’s bull Unam Sanctam (1302) declared “that it is absolutely necessary for salvation that every human creature be subject to the Roman Pontiff” (text). By then the Great Schism of 1054 had divided Rome from the Eastern Orthodox, with the papal claim to jurisdiction in the East and the Filioque as the two main causes.

The West nearly reversed course in the fifteenth century. With three rival popes, the Council of Constance (1414–1418) declared that a general council “has power immediately from Christ” and that even a pope must obey it (Haec Sancta). Conciliarism lost the argument within a few decades, but it survived in French Gallicanism and German Febronianism.

The Reformation then rejected papal authority outright. Martin Luther’s Smalcald Articles (1537) called the pope “the very Antichrist” (Of the Papacy), and Philip Melanchthon’s Treatise on the Power and Primacy of the Pope (Book of Concord) argued that the pope holds no divine right over other bishops. The Council of Trent answered the Reformers on doctrine but left papal authority undefined.

That definition came at the First Vatican Council (1869–70). With the Papal States falling to Italian unification and liberal states pressing on the church, the ultramontane party won a definition in Pastor Aeternus (1870): the pope holds “full and supreme power of jurisdiction over the whole church,” and when he speaks ex cathedra on faith or morals his definitions “are of themselves, and not by the consent of the church, irreformable” (text). The Second Vatican Council kept that teaching and placed it inside a fuller account of bishops: the college of bishops shares supreme authority, but “has no authority unless it is understood together with the Roman Pontiff” (Lumen Gentium 22).

Key ideas and contributors

Petrine succession. The office Christ gave Peter was meant to last, and it passes to the bishops of Rome, where Peter died. The pope’s authority belongs to the office, not to his personal holiness or learning. Augustine, though no theorist of papal power, is often cited for the related idea that Rome’s judgment settles a disputed question (the phrase “Rome has spoken, the case is closed” is a later paraphrase, not his words).

Universal, ordinary and immediate jurisdiction. Pastor Aeternus says the pope’s power is not only a power of oversight or appeal: it reaches every diocese and every believer directly. This is the heart of the dispute with the East. A primacy of honour, or even a final court of appeal, is one thing; a bishop with direct authority inside every other bishop’s diocese is another.

Infallibility under conditions. The pope is preserved from error only when he speaks ex cathedra: as pastor of all Christians, defining a doctrine of faith or morals to be held by the whole church. Most papal teaching does not meet that test. Catholic theologians usually count two clear uses since 1870, the Immaculate Conception (1854, defined before the council) and the Assumption of Mary (1950). Infallibility is the guarantee behind the Magisterium, and Thomas Aquinas had already argued that the pope has authority to settle a new edition of the creed.

Primacy within collegiality. Vatican II stressed that bishops are not the pope’s delegates but successors of the apostles in their own right (Episcopal Polity). John Henry Newman’s Letter to the Duke of Norfolk (1875, Newman Reader), answering Gladstone, gave the moderate reading that shaped later Catholic thought: infallibility is narrow, and conscience keeps its place.

An office open to reform. John Paul II’s encyclical Ut Unum Sint (1995) asked other churches to help him “find a way of exercising the primacy which, while in no way renouncing what is essential to its mission, is nonetheless open to a new situation” (§95). Benedict XVI dropped the title “Patriarch of the West” in 2006, and in 2024 the Dicastery for Promoting Christian Unity published The Bishop of Rome, a study document gathering the ecumenical responses to that invitation (cited by title; link not verified).

Key controversies

What the Petrine texts mean. Is the “rock” of Matthew 16 Peter himself, Peter’s confession of faith, or Christ? Many Church Fathers gave more than one reading, and Protestant exegetes since Luther and John Calvin have argued that even if Peter is the rock, nothing in the text speaks of successors or of Rome. Some modern Protestant scholars, Oscar Cullmann in Peter: Disciple, Apostle, Martyr (1952) most famously, accept that the rock is Peter but deny any succession. Catholic writers answer that an office meant to protect the church’s unity must outlast its first holder.

Honour or jurisdiction. The Orthodox churches accept that Rome was first among the patriarchates of the undivided church, a primacy of honour and perhaps of appeal, exercised within Conciliarity. They reject a jurisdiction above councils and other patriarchs, and point to Chalcedon’s canon 28 and to councils that judged Roman bishops. Catholics point to Leo at Chalcedon and to eastern appeals to Rome in disputes like the one between Cyril of Alexandria and Nestorius before the Council of Ephesus. The joint Catholic–Orthodox commission’s Ravenna document (2007) agreed that the church needs primacy at every level, including the universal, and that Rome was first in the ancient order, but left open what that primacy involves (cited by title; link not verified).

Cyprian and the early evidence. Cyprian of Carthage’s On the Unity of the Church (text) survives in two versions of chapter 4, one stressing Peter’s primacy and one stressing the equal share of all bishops. Scholars still argue over which came first. Cyprian also defied Pope Stephen over rebaptism, which both sides cite. The case shows how much of the early evidence can be read either way.

Infallibility and history. At Vatican I a large minority, mostly German, French and Austro-Hungarian bishops, thought a definition untimely, and around sixty left Rome before the final vote rather than vote against it. The historian Ignaz von Döllinger refused to accept the decree and was excommunicated in 1871. His followers and others formed the Old Catholic churches. Critics cited Pope Honorius I, condemned as a heretic by the Third Council of Constantinople (681), as proof that popes can err in doctrine; defenders replied that Honorius never taught ex cathedra. Hans Küng’s Infallible? An Inquiry (1971) reopened the question inside the Catholic Church, and in 1979 the Vatican withdrew his licence to teach as a Catholic theologian.

Scripture over the pope. For most Protestants the issue is authority itself. Lutheran, Reformed and Baptist confessions hold that Scripture alone binds the conscience (Sola Scriptura) and that no bishop has authority by divine right over the whole church. The Anglican Thirty-Nine Articles say flatly that “the Bishop of Rome hath no jurisdiction in this Realm of England” (Article 37). Even so, the Anglican–Roman Catholic International Commission’s The Gift of Authority (1999) suggested Anglicans might accept a universal primacy exercised collegially, before full union (cited by title; link not verified).

The pope and other bishops. Within Catholicism the debate continues over how far the papacy should centralise. Vatican II’s language on collegiality, the Synod of Bishops, and Pope Francis’s emphasis on synodality all point toward wider shared governance; critics on both left and right say the actual practice of the Roman curia has changed far less than the language.

What remains unresolved

Almost every Christian church agrees that Peter had a leading role among the apostles. The disagreement is whether that role continues, whether it belongs to Rome, and whether it means a final say over every church or a first place among equals. The Roman Catholic position has not moved on the dogma of 1870, but since 1995 it has invited other churches to help redesign how the office works. The Orthodox answer depends on whether jurisdiction can be separated from primacy; the Protestant answer depends on whether any bishop can bind the conscience at all.