Thursday, December 25, 2025

Constantine's Role in the First Council of Nicaea and the Formation of the Biblical Canon.




I'd like to do a quick rundown on the First Council of Nicaea, what it's purpose was, what's Constantine's role was and what impact it had on the formation of the Biblical canon - spoiler alert: it has zero impact as it wasn't discussed. See the last section. 

1. Constantine's Role

Constantine the Great played a pivotal, though not supreme, political and ceremonial role in the First Council of Nicaea (325 AD).

Initiator and convener: He initiated the council and summoned bishops from across the Christian world to address the Arian controversy and unify doctrine. He considered unity of the empire and church essential for political stability

Political patron: He provided the imperial sponsorship, resources, and safe conduct for the gathering, which took place in Nicaea (Iznik, in modern Turkey). His presence emphasized that the council had imperial backing.

Mediating influence (not a doctrinal sovereign): He did not appoint himself as a doctrinal authority. The council was led by the bishops, with the presiding role typically attributed to Hosius of Corduba (a key advisor to Constantine). Constantine sought to influence outcomes through discussion and conciliation rather than by doctrinal decree.

Role in outcomes: He supported the adoption of the Nicene Creed, which established the doctrine of the consubstantiality of the Son with the Father (homoousios) against Arian positions. He also played a part in shaping the Meletian (Nicene) strategy and in the drafting of canonical and disciplinary arrangements, aiming for unity and cohesion within the church and empire.

Aftermath involvement: Constantine maintained a protective, sometimes paternal role in the church, using his authority to enforce the council’s decisions in the empire and to suppress theological alternatives that threatened imperial unity.

In summary, Constantine acted as the imperial catalyst and patron of the Council, facilitating its assembly, guiding its political context, and endorsing its doctrinal conclusions, while stopping short of claiming direct theological authority.

2. The Purpose of First Council of Nicaea (325 AD)

The First Council of Nicaea was primarily convened to address a growing theological rift that threatened the unity of the Christian Church and the stability of the Roman Empire.

Here is a summary of the key events and issues that led up to the council in 325 AD:

A. The Arian Controversy

The immediate spark for the council was a fierce theological dispute in Alexandria, Egypt.

The Conflict: A presbyter named Arius began teaching that Jesus Christ was not eternal but was instead a "created" being subordinate to the Father. He famously argued, "There was a time when he was not."

The Opposition: His bishop, Alexander of Alexandria, vehemently disagreed, arguing that Jesus was co-eternal and of the same substance as God the Father.

The Escalation: This disagreement evolved from a local debate into a widespread schism that divided church leaders and congregations across the Eastern Roman Empire, causing riots and public unrest.

B. The Arguments of Arius

Arius, a presbyter from Alexandria, prioritized strict monotheism and the logic of causality. He argued that if the Father begat the Son, there must have been a beginning to the Son's existence.

The Slogan: Arius’s most famous argument was the phrase, "There was a time when he was not." He argued that the Son had a definite beginning and was not co-eternal with the Father.

The "Creature" Argument: Arius contended that the Son was a "creature" (ktisma) created out of nothing (ex nihilo) by the will of the Father. While the Son was the highest and first of all creatures—perfect and superior to the rest of creation—he was still essentially different from the unbegotten God.

Mutability: Arius argued that because the Son was a creature, he was arguably subject to change (mutable), whereas God is by nature unchangeable.

Scriptural Proofs: Arius relied heavily on specific Bible verses that seemed to imply subordination or creation:

Proverbs 8:22: "The Lord created me at the beginning of his work..." (based on the Septuagint translation). Arius viewed this as the "smoking gun" that Wisdom (Christ) was created.

John 14:28
: Jesus says, "The Father is greater than I."

Colossians 1:15: Jesus is called the "firstborn of all creation," which Arius interpreted as being part of the created order.

C. The Arguments of Alexander and Athanasius

Bishop Alexander of Alexandria (and his young deacon Athanasius, who would become the theological heavyweight of the era) argued that Arius's position destroyed Christianity by turning Christ into a mere demigod.   

  • Eternal Generation: Alexander argued that God is eternally the Father. If God is "Father," he must always have had a "Son." Therefore, the Son is co-eternal. There was never a time when the Father was alone; the Son exists eternally with him.   

  • Homoousios (Same Substance): The anti-Arian party insisted that the Son was not created out of nothing but was begotten from the substance of the Father. They used the Greek term homoousios ("of one substance" or "consubstantial") to argue that the Son shares the exact same divine reality as the Father.   

  • The Soteriological Argument (Salvation): This was Athanasius’s most powerful point. He argued that only God can save humanity.   

    • If Christ were a creature, his death would just be the death of one creature for others, which has no infinite value to bridge the gap between God and man.   

    • Therefore, for Christ to save us, he must be fully God.   

  • Scriptural Proofs: They countered Arius with verses emphasizing unity and divinity:

    • John 10:30: "I and the Father are one."

    • John 1:1: "In the beginning was the Word... and the Word was God."   

    • Hebrews 1:3: The Son is the "radiance of God's glory." (Just as light is generated by the sun continuously and is never separate from it, the Son is eternally generated by the Father).   

3. The Quest for Imperial Unity

Emperor Constantine I had recently defeated his rival Licinius to become the sole ruler of the Roman Empire.

  • Political Stability: Constantine hoped Christianity would serve as a unifying force for his empire. However, the Arian controversy was creating deep divisions rather than unity.   

  • Failed Mediation: Constantine initially sent his advisor, Hosius of Corduba, to Alexandria to mediate the dispute and encourage the two sides to reconcile. When this diplomatic mission failed to resolve the issue, Constantine realized a more authoritative solution was needed.   

A. The Convocation

To settle the matter once and for all, Constantine took the unprecedented step of calling a general council of bishops from across the entire empire.

  • Purpose: The goal was to establish a unified consensus on the nature of Christ (specifically his divinity and relationship to the Father) and to secure peace within the church.   

  • Significance: This gathering became the First Council of Nicaea, the first ecumenical council, intended to create a standardized doctrine (which eventually became the Nicene Creed)

B. Nicene Creed

Definition: The council produced the original Nicene Creed, stating that the Son is “consubstantial” with the Father (homoousios) and of one essence (ousia) with the Father.

Purpose: Addresses the Arian controversy by affirming the full divinity of the Son and the unity of the Son with the Father.

Significance: Established a foundational orthodox standard for Christian doctrine about the nature of Christ and the Trinity, shaping Christology for centuries.


Original Nicene Creed (325 AD)

Consubstantial with the Father
Light from Light, true God from true God
Begotten, not made, of one being (ousia) with the Father
Through Him all things were made
For us men and our salvation He came down from heaven
By the Holy Spirit the Lord, the giver of life
He was incarnate of the Holy Spirit and the Virgin Mary, and became man
He was crucified for us under Pontius Pilate
He suffered, and was buried
On the third day He rose again in accordance with the Scriptures
He ascended into heaven and sits at the right hand of the Father
He will come again in glory to judge the living and the dead
His kingdom will have no end
We believe in the Holy Spirit, the Lord, the giver of life
Who proceeds from the Father
Who with the Father and the Son is worshiped and glowed (glorified)
Who spoke through the prophets
We believe in one holy catholic and apostolic Church
We acknowledge one baptism for the forgiveness of sins
We look for the resurrection of the dead
And life in the world to come. Amen.

C. 20 Canons (disciplinary and organizational measures)

Church structure and governance
  • Standardized ecclesiastical practice across the church, including rules for bishops, presbyters, and deacons.
  • Regulated episcopal ordination, election, and provincial synods to promote consistency and accountability.
Liturgy and practice
  • Established uniform dates for celebrating Easter (though calendar reforms would continue to evolve) and other liturgical practices to promote cohesion across the Christian world.
Canon law and discipline
  • Addressed issues such as the handling of clergy who recanted under pressure (apostasy), restoration of penitents, and the legitimacy of certain episcopal acts.
  • Prohibited certain practices and promoted uniform discipline to prevent local customs from diverging into heterodoxy or disorder.
Excommunication and Christian unity
  • Emphasized the goal of unity within the Church and the empire, reducing regional disputes that could threaten political stability.
D Historical significance

Doctrinal coherence
  • Cemented the Nicene view of the relationship between the Father and the Son as foundational for orthodox Christian theology, influencing later councils and creeds (notably the Niceno-Constantinopolitan Creed of 381).
Imperial involvement in church affairs
  • Demonstrated the increasing role of the Roman emperor in doctrinal and organizational matters, setting a precedent for imperial sponsorship and influence in church affairs.
Canonical framework
  • Laid the groundwork for early church law and governance, contributing to how bishops were organized, how disputes were handled, and how uniform practice could be pursued across diverse Christian communities.
Long-term doctrinal disputes
  • Even though the council affirmed homoousios, Arianism and other Christological positions persisted for centuries, leading to further councils and theological debates. Nicaea’s creed became a touchstone in these ongoing discussions.
4. What about it's impact on the Biblical canon - which books include/exclude?
 
The Council of Nicaea did not address the Biblical canon at all; its primary purpose was to resolve the Arian controversy regarding the divinity of Jesus Christ, and produced the Nicene Creed to that end.

People mistakenly believe the Council of Nicaea decided the Biblical canon because a medieval myth claiming a miraculous selection process was popularized by Enlightenment thinkers and modern fiction.

The misconception stems from several sources:

1) The Synodicon Vetus: The myth's origin is traced to an obscure 9th-century Greek manuscript that claimed the canonical and apocryphal books were placed on an altar, and the spurious ones fell to the floor.

2) Voltaire's Popularization: The French philosopher Voltaire widely circulated this fictitious anecdote in his 18th-century Philosophical Dictionary, using it to satirize the Church.

3) Modern Fiction: Bestselling novels, such as Dan Brown's The Da Vinci Code, exploited and perpetuated the idea that a politically motivated Emperor Constantine orchestrated the selection of the Biblical books at Nicaea.

4) Misunderstanding the Term "Canon": The word canon means different things. The Council of Nicaea did issue twenty rules or "canons" (disciplinary laws) for church governance, which may have led to confusion with the Biblical "canon" (list of authoritative books).

Note: The formation of the Biblical canon was a gradual process that occurred over centuries, driven by widespread consensus and usage within Christian communities, rather than a single council's vote. Key factors included Apostolic authorship or association, and alignment with orthodox Christian teachings. Later regional councils, such as the Council of Rome (382 AD), the Synod of Hippo (393 AD), and the Councils of Carthage (397 AD and 419 AD), affirmed the 27 books of the New Testament that were already widely accepted.

Sources for Constantine/First Council of Nicaea






Source for Debunking the myth of Biblical canon/First Council of Nicaea

Timothy Paul Jones website


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Constantine's Role in the First Council of Nicaea and the Formation of the Biblical Canon.

I'd like to do a quick rundown on the First Council of Nicaea, what it's purpose was, what's Constantine's role was and what...