Conciliarity and the Authority of Councils

The Orthodox Church governs and defines her faith conciliarly, following the pattern of the Apostolic Council of Jerusalem. A council’s authority rests not on a juridical principle external to the Church but on the presence of the Holy Spirit guiding the assembled Church into the truth she already holds — an authority recognized, in the end, by the whole body.

Tradition: Pan-Orthodox

The Apostolic Pattern

The conciliar form of the Church’s self-government is apostolic. When the question whether Gentile converts must be circumcised threatened the unity of the first community, the Apostles and elders “came together to consider of this matter” (Acts 15:6), debated, heard testimony, and issued a decree whose famous preface has been read ever since as the charter of every subsequent council: “For it seemed good to the Holy Spirit, and to us, to lay upon you no greater burden than these necessary things” (Acts 15:28). The formula binds two things the Orthodox tradition never separates: the decision is genuinely the assembly’s — “and to us” — and it is genuinely the Spirit’s, so that the council does not impose a human opinion but articulates a divine truth (Kelly, Early Christian Doctrines, 5th ed., 1977, on the apostolic and sub-apostolic roots of conciliar authority; cf. the Council of Nicaea’s own appeal to the same pattern in its synodal letter, in Percival, NPNF II/14, on Nicaea).

From the second and third centuries onward, local and provincial synods met regularly to settle questions of discipline, to depose heretical bishops, and to confess the common faith — the synods on the Paschal question under Pope Victor (late second century), the synods concerning the lapsed and rebaptism (Carthage, mid-third century), the synods that condemned Paul of Samosata at Antioch (264–268). The great councils of 325 and after did not invent conciliarity; they raised to the level of the whole oikoumene — the inhabited Christian world — a practice that had always governed the Church’s life (Davis, The First Seven Ecumenical Councils, 1990, ch. 1, on the pre-Nicene synodal tradition).

The Council Does Not Innovate

A first principle of Orthodox conciliar theology is that a council defines but does not innovate. The Ecumenical Councils created no new doctrine; each was occasioned by a specific heresy — a teaching that contradicted the received apostolic faith — and the council’s task was to articulate, with greater precision and against a specific error, what the Church had always believed (see the parallel statement in Orthodoxy: The Seven Ecumenical Councils). The new terms the councils coined — homoousios at Nicaea, Theotokos at Ephesus, the “two natures” of Chalcedon, the “two wills” of Constantinople III — were introduced precisely because the old scriptural vocabulary had been made ambiguous by the heretics, who could sign the words of Scripture while emptying them of their meaning. St. Athanasius makes this defense of homoousios directly: the Fathers of Nicaea did not depart from Scripture but found a word that the Arians could not evade, “to collect the sense of the Scriptures” against those who abused them (Athanasius, De Decretis [On the Decrees of Nicaea] 19–21; trans. NPNF II/4). The council is thus conservative in the strict sense: it guards a deposit.

This is why the Church can hold that the definitions are irreformable while the councils themselves were historically occasioned, fallible in their politics, and often bitterly divided in their proceedings. What is guarded is not the assembly’s virtue but the truth it confessed; the definition is received as true not because the bishops were holy but because the Church recognizes in it her own faith.

The Council as Organ of the Spirit

The deepest Orthodox claim about a council is pneumatological: in a true council the Holy Spirit speaks through the assembled Church. This is not a claim that any gathering of bishops is automatically inspired — the history of the “robber councils” forbids that (see Ecumenicity and Reception) — but that where the Church truly confesses her faith conciliarly, the Spirit promised to lead her “into all truth” (John 16:13) is at work. Vladimir Lossky insists that this cannot be reduced to a juridical mechanism: the Church’s discernment of truth is an expression of her living Tradition, “the life of the Holy Spirit in the Church,” and not the operation of any external criterion of authority, whether a see, a text, or a numerical majority (Lossky, The Mystical Theology of the Eastern Church, 1957, ch. 1 and “Tradition and Traditions”).

Georges Florovsky sharpened the point into a paradox that guards against triumphalism. A council, he argued, has no power over the truth; it can only witness to it. “The Church bears witness to the truth not by reminiscence or from the words of others, but from its own living, unceasing experience” — and therefore even an Ecumenical Council is authoritative not as an institution issuing verdicts but as the mouth through which the Church confesses what she knows (Florovsky, “The Authority of the Ancient Councils and the Tradition of the Fathers,” in Bible, Church, Tradition, 1972). The council’s decrees are true because they are the Church’s confession, and the Church’s confession is true because the Spirit dwells in her; the authority is finally the Spirit’s, mediated through the whole body and not lodged in the council as such.

How the Church Discerns

If no external mechanism confers authority, how is a true council known? Orthodox theology answers with several convergent marks, none of them sufficient alone:

Fidelity to Tradition. A true council confesses the same faith as its predecessors; it “follows the holy Fathers,” in the opening words of the Chalcedonian Definition (Council of Chalcedon 451, Definition; trans. NPNF II/14). Each council explicitly ratifies those before it. A council that contradicted the received faith would by that fact convict itself, however large or well-convened.
Conciliar freedom and catholicity. A true council is a genuine deliberation of the episcopate representing the whole Church, not a claque assembled to ratify a predetermined result under coercion — the charge leveled against Ephesus 449 (see The Controversy and the Tome of Leo).
The consent of the great sees. In the ancient Church the agreement of the apostolic and senior sees — Rome, Alexandria, Antioch, later Constantinople and Jerusalem, the “pentarchy” — was a weighty sign, though never by itself decisive, since sees could and did err.
Reception by the whole Church. The final and, in Orthodox understanding, the decisive mark is the reception of the council by the whole body of the faithful over time (developed in Ecumenicity and Reception).

These marks are not a checklist that mechanically produces a verdict; they are the ways the Church, living in the Spirit, comes to recognize her own voice in a council. The nineteenth-century Encyclical of the Eastern Patriarchs (1848), replying to Rome, put the ecclesiology in a single sentence that Orthodox writers cite as classic: “the guardian of the faith is the very body of the Church, that is, the people themselves” — with the clergy — so that a definition stands not by the authority of a hierarchy alone but by the whole Church’s acceptance (Encyclical of the Eastern Patriarchs, 1848, §17). The councils are supreme in authority precisely as the fullest conciliar expression of that whole-Church discernment.

The Emperor and the Council

A word is needed about the role of the emperor, because it is easy to misread. All seven councils were convened by emperors, met under imperial protection, and had their decrees given the force of civil law by imperial edict; Constantine convened and addressed Nicaea, Marcian convened Chalcedon, Irene and her son Nicaea II (Meyendorff, Imperial Unity and Christian Divisions, 1989, on the symphonia of Church and empire). But convocation is not what made these councils ecumenical, and Orthodox theology has always insisted on the distinction. The emperor could gather the bishops, secure order, and enforce the result; he could not determine the faith. The proof is negative: emperors convened and backed councils whose teaching the Church rejected (Hieria 754 under Constantine V; the iconoclast synod of 815; and, on the Orthodox reading, Ephesus 449 under Theodosius II), and emperors who favored heresy could not make it stick. The imperial role belongs to the history of the councils, not to the authority of their definitions — an authority that rests, as this section has argued, on the Spirit-guided reception of the whole Church.

References

Acts of the Apostles 15 (the Apostolic Council; the formula “it seemed good to the Holy Spirit and to us”).
Athanasius of Alexandria. De Decretis Nicaenae Synodi (On the Decrees of the Council of Nicaea), esp. 19–21. Trans. NPNF, Second Series, vol. 4.
Council of Chalcedon (451). Definition of Faith (“following the holy Fathers”). In Percival, ed., NPNF, Second Series, vol. 14.
Davis, Leo Donald. The First Seven Ecumenical Councils (325–787): Their History and Theology. Collegeville, MN: Liturgical Press, 1990.
Encyclical of the Eastern Patriarchs (1848), §17 (the whole body as guardian of the faith).
Florovsky, Georges. “The Authority of the Ancient Councils and the Tradition of the Fathers.” In Bible, Church, Tradition: An Eastern Orthodox View (Collected Works, vol. 1). Belmont, MA: Nordland, 1972.
Kelly, J. N. D. Early Christian Doctrines. 5th ed. London: A&C Black, 1977.
Lossky, Vladimir. The Mystical Theology of the Eastern Church. Cambridge: James Clarke, 1957 (ch. 1; “Tradition and Traditions”).
Meyendorff, John. Imperial Unity and Christian Divisions: The Church 450–680 AD. Crestwood, NY: SVS Press, 1989.
Percival, Henry R., ed. The Seven Ecumenical Councils (NPNF, Second Series, vol. 14). Edinburgh: T&T Clark, 1900.