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Quod Ubique The Common Confession of the Universal Church

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The Authority of Ecumenical Councils

The Common Witness

The historic church has consistently witnessed that when the bishops of the Church gather in council under the guidance of the Holy Spirit to define doctrine and condemn error, their decisions possess genuine authority over the conscience of every Christian. This is not the authority of individual opinion, nor the pooled authority of many opinions, but the authority of the Church speaking as a body under the promise of Christ that the Spirit would guide her into all truth.

The scope of conciliar authority is disputed. Rome recognizes twenty-one ecumenical councils; Orthodoxy receives seven; the Magisterial Reformers accepted the first four (or six) as faithful expositions of Scripture; some Protestants reduce the number further. But the principle — that ecumenical councils possess real doctrinal authority, that their dogmatic definitions are not mere suggestions but binding witnesses to the apostolic faith — is affirmed across all the major tradition families. Even the most sola-Scriptura Protestant, if he confesses the Nicene Creed, confesses a conciliar definition.

Scriptural Warrant

The Jerusalem Council as prototype:

  • “Then it seemed good to the apostles and the elders, with the whole church, to choose men from among them and send them to Antioch” (Acts 15:22, ESV)
  • “For it has seemed good to the Holy Spirit and to us to lay on you no greater burden than these requirements” (Acts 15:28, ESV) — the council claims the Spirit’s guidance for its decision
  • “As they went through the cities, they delivered to them for observance the decisions that had been reached by the apostles and elders who were in Jerusalem” (Acts 16:4, ESV) — the decisions were delivered as authoritative, not advisory

The promise of the Spirit to the gathered Church:

  • “When the Spirit of truth comes, He will guide you into all the truth” (John 16:13, ESV)
  • “For where two or three are gathered in My name, there am I among them” (Matthew 18:20, ESV)

The Church as the custodian of truth:

  • “The church of the living God, a pillar and buttress of the truth” (1 Timothy 3:15, ESV)

The apostolic council in Acts 15 establishes the pattern: the Church, when confronted with a doctrinal crisis, gathers its leaders, deliberates under the Spirit’s guidance, reaches a decision, and communicates that decision as binding. The later ecumenical councils understood themselves as following precisely this pattern.

Patristic and Historical Attestation

Athanasius of Alexandria (c. 296-373)

Athanasius devoted his life to defending the Nicene definition against Arian opposition. His De Decretis argues that the Council of Nicaea did not invent new doctrine but articulated what the Church had always believed, using the term homoousios as a precise safeguard against Arian evasion. The council’s authority was not merely political (Constantine’s convocation) but theological — the gathered bishops spoke for the universal Church. — De Decretis Nicaenae Synodi, c. 350

“What was defined at Nicaea was not new; it was the faith which had been delivered from the beginning.” — Epistola ad Afros 1-2 [∗]

Basil of Caesarea (c. 329-379)

Basil worked tirelessly for the reception of the Nicene faith and the convocation of what became the Council of Constantinople (381). He defended the conciliar method as the Church’s proper means of resolving doctrinal controversy — not by the fiat of any individual bishop, however eminent, but by the consensus of the bishops gathered in synod. — Epistolae 90, 92, 114

Vincent of Lerins (d. c. 445)

“What then shall a Catholic Christian do if some small part of the Church cut itself off from the communion of the universal faith? What else but prefer the healthiness of the whole body to the pestilence of a corrupt member? And what if some novel contagion seek to poison not merely a small part but the whole Church at once? Then he shall take care to attach himself to antiquity, which obviously cannot now be led astray by any novel deceit.” — Commonitorium 3.4

Vincent’s rule — quod ubique, quod semper, quod ab omnibus — is itself a conciliar principle: the truth is what the whole Church has received, and the councils are the instruments by which that reception is formally declared.

Leo the Great (c. 400-461)

Leo’s Tome to the Council of Chalcedon (451) and the council’s reception of it illustrate the relationship between papal and conciliar authority. The council Fathers examined the Tome and declared: “Peter has spoken through Leo.” But Leo also affirmed the council’s authority: the dogmatic definition of Chalcedon was the Church’s own act, not merely the Pope’s decree received by the bishops.

Tradition-Formulary Evidence

Roman Catholic

CCC §891: “The Roman Pontiff… and the body of bishops… in union with the successor of Peter… enjoy the charism of infallibility… This is the infallibility which the Roman Pontiff, the head of the college of bishops, enjoys in virtue of his office, when, as the supreme shepherd and teacher of all the faithful… he proclaims by a definitive act a doctrine pertaining to faith or morals.” Vatican I, Pastor Aeternus (1870), and Vatican II, Lumen Gentium §25, both affirm the infallibility of ecumenical councils when defining doctrine. Rome recognizes twenty-one ecumenical councils from Nicaea I (325) to Vatican II (1962-65). Affirms — conciliar definitions are infallible when defining faith and morals.

Eastern Orthodox

The Orthodox Church receives seven ecumenical councils (Nicaea I through Nicaea II, 325-787) as possessing full doctrinal authority. The councils are authoritative because they express the consensus fidelium — the faith of the whole Church — under the Spirit’s guidance. Orthodoxy emphasizes that a council is truly “ecumenical” not merely by its convocation but by its reception by the whole Church over time. The Confession of Dositheus (1672), Decree 2: “We believe the Holy Scripture to be taught by God, but we also believe the authority of the Catholic Church.” Affirms — the seven councils are irreformable.

Lutheran

The Augsburg Confession presupposes the authority of the first four ecumenical councils. AC, Article I, confesses the Trinitarian faith “in accordance with the decree of the Council of Nicaea.” The Book of Concord explicitly cites the first four councils as faithful expositions of Scripture. The Formula of Concord, Epitome, Rule and Norm: “The Prophetic and Apostolic writings of the Old and New Testament are the only rule and norm according to which all doctrines and teachers alike must be appraised and judged” — but the creeds and councils are received as faithful witnesses to that Scripture. Affirms derivative conciliar authority — councils are authoritative insofar as they faithfully expound Scripture.

Reformed

Calvin, Institutes IV.9.1-8: “I venerate the councils of Nicaea, Constantinople, and others… and I wish them to be held in their proper honour.” But Calvin insists that councils can err and have erred, and that their authority is derivative from Scripture. WCF 31.4: “All synods or councils since the apostles’ times, whether general or particular, may err, and many have erred; therefore they are not to be made the rule of faith or practice, but to be used as a help in both.” The Reformed tradition receives the early councils as valuable and largely faithful but not as possessing independent doctrinal authority. Affirms derivative authority; denies infallibility.

Anglican

Article XXI of the Thirty-Nine Articles: “General Councils may not be gathered together without the commandment and will of Princes. And when they be gathered together (forasmuch as they be an assembly of men, whereof all be not governed with the Spirit and word of God) they may err, and sometimes have erred, even in things pertaining unto God. Wherefore things ordained by them as necessary to salvation have neither strength nor authority, unless it may be declared that they be taken out of Holy Scripture.” Yet the Lambeth Quadrilateral (1888) includes “The Nicene Creed as the sufficient statement of the Christian Faith” — a conciliar product — among the four essentials of unity. In practice, Anglicanism receives the first four (or six) councils as bearing genuine authority. Affirms — councils possess real but not infallible authority.

The Dissenting Minority

The dissent comes from radical Protestant individualism — the conviction that Scripture alone is the final authority and that all post-biblical institutions, including councils, possess no binding doctrinal authority whatsoever.

The radical Protestant case. The councils were human assemblies, subject to all the failings of human assemblies: political pressure, personal ambition, theological confusion, and outright error. Constantine convened Nicaea for political unity, not theological truth. The later councils were shaped by imperial power as much as by the Holy Spirit. To grant councils binding authority is to elevate human tradition to the level of Scripture and to compromise the Reformation principle of sola Scriptura.

The strongest form of the argument. Councils have, in fact, erred. The Council of Rimini (359) adopted an Arian creed and was received — temporarily — as authoritative. The Robber Council of Ephesus (449) was convened as an ecumenical council but later repudiated. If councils can err, then their authority is not intrinsic but depends on their conformity to Scripture — and if their authority depends on their conformity to Scripture, then Scripture is the real authority and the councils are, at most, useful witnesses to its meaning. The Reformers themselves argued this: Luther at Worms refused to recant unless convinced “by Scripture and plain reason,” not by the authority of councils. Even the traditions that receive the councils do so selectively — Rome receives twenty-one, Orthodoxy seven, Protestantism four to six — which demonstrates that the principle of conciliar authority is, in practice, always subordinated to some other criterion of selection.

This is a penetrating critique, and it rightly guards against the deification of institutional authority. But it proves less than it claims. That councils can err does not mean they possess no authority — it means their authority is real but not absolute. Even the Reformers who made this argument continued to confess the Nicene Creed, to teach the Chalcedonian definition, and to organize their churches by synodal decision-making. The principle of conciliar authority is so deeply woven into the fabric of Christian thought that even its critics cannot entirely escape it. To confess “one God in three persons” is to confess a conciliar definition, and to deny the councils’ right to make such definitions is to saw off the branch on which one’s own Christology sits.

For Further Study

  1. Athanasius, De Decretis Nicaenae Synodi — the patristic defense of Nicaea’s authority and method
  2. Leo Donald Davis, The First Seven Ecumenical Councils (325-787): Their History and Theology (1983) — accessible historical survey
  3. Norman P. Tanner, ed., Decrees of the Ecumenical Councils, 2 vols. (1990) — the definitive collection of conciliar texts
  4. Karl Josef von Hefele, A History of the Councils of the Church, 5 vols. (1871-96) — the monumental Roman Catholic historical study
  5. World Council of Churches, Confessing the One Faith (1991) — modern ecumenical commentary on the Nicene Creed as a conciliar achievement