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Historical Background and Context

Apollinarianism is a theological heresy that emerged in the fourth century, named after Apollinaris the Younger, bishop of Laodicea. Apollinaris was born between 300 and 315 and became known for his intellectual acumen and personal piety. His contributions to theology were significant, and he maintained associations with prominent figures like Athanasius and Basil the Great. Despite his commendable character, Apollinaris’s teachings on Christology deviated from biblical orthodoxy, leading to widespread condemnation by the church.

The historical and theological context of Apollinarianism lies within the broader Christological debates of the fourth century, a time when the church sought to articulate the relationship between the divine and human natures of Jesus Christ. These debates were shaped by the influence of two major schools of thought: the Antiochene and Alexandrian schools. The Antiochene school emphasized Christ’s humanity, often to the extent of risking a division of His person, while the Alexandrian school emphasized His divinity, at times neglecting His full humanity.

Apollinaris’s teachings represented an extreme response to the perceived dualism of Antiochene Christology. By emphasizing the divine nature of Christ to the exclusion of His full humanity, Apollinaris developed a doctrinal position that was ultimately deemed heretical.

The Core Teachings of Apollinarianism

At the heart of Apollinarianism is a Christological model based on a Platonic understanding of human nature, which divides a person into three parts: body, sensitive soul (associated with emotions and appetites), and rational soul (associated with intellect and free will). Apollinaris argued that if Jesus Christ possessed a complete human nature, including a rational soul, He would be subject to sin, as free will was seen as a source of moral failure.

To safeguard Christ’s sinlessness and divine unity, Apollinaris proposed that the divine Logos (the preexistent Word of God) replaced the rational soul in Jesus. According to this view, Christ was not fully human; rather, He was a divine being who assumed a human body and a sensitive soul but lacked a human rational soul. Apollinaris thus affirmed, “The one sole nature incarnate of the Word of God,” a phrase reflecting his belief that the human and divine in Christ formed a single composite nature dominated by the Logos.

This teaching was formally articulated in works such as Demonstration of the Divine Incarnation (circa 376), written in response to early criticisms. Apollinaris’s Christology, however, faced immediate and strong opposition, as it undermined the biblical understanding of the incarnation and the redemptive work of Christ.

Scriptural and Theological Refutation

The central theological error of Apollinarianism is its denial of the full humanity of Jesus Christ, a doctrine essential to the biblical understanding of salvation. The incarnation, as presented in Scripture, teaches that Jesus was fully God and fully man (John 1:14; Colossians 2:9). The Council of Chalcedon in 451 later articulated this truth with clarity, affirming that Jesus Christ is “perfect in deity and also in humanness; this self-same one is also actually God and actually man, with a rational soul and a body.”

The Bible consistently testifies to Christ’s full humanity, including His possession of a human rational soul. In Luke 2:52, we read that Jesus “increased in wisdom and stature and in favor with God and man,” indicating the development of His human intellect and moral character. Additionally, passages such as Matthew 26:38, where Jesus states, “My soul is very sorrowful, even to death,” reflect the full range of human experiences, including emotional and spiritual anguish.

Furthermore, Hebrews 2:17 declares, “Therefore he had to be made like his brothers in every respect, so that he might become a merciful and faithful high priest in the service of God, to make propitiation for the sins of the people.” This verse emphasizes that Christ’s full humanity, including a rational soul, was necessary for His role as mediator and redeemer. The theological principle expressed by Gregory of Nazianzus, “What is not assumed is not healed,” captures the critical flaw in Apollinarianism. If Christ did not assume a complete human nature, including a rational soul, He could not fully redeem humanity.

Apollinaris’s model also disrupts the biblical doctrine of the hypostatic union, the union of Christ’s divine and human natures in one person. Philippians 2:6–8 describes how Jesus, “though he was in the form of God, did not count equality with God a thing to be grasped, but emptied himself, by taking the form of a servant, being born in the likeness of men.” This passage underscores the coexistence of Christ’s divine and human natures, each retaining its integrity. By eliminating the rational soul, Apollinaris effectively diminished Christ’s true humanity and disrupted the balance necessary for a proper understanding of the incarnation.

Condemnation and Legacy

Apollinarianism was formally condemned by several church councils, including the Synod of Alexandria in 362, a Roman synod in 377, and the First Council of Constantinople in 381. The latter anathematized both Apollinaris and his doctrine, marking a definitive rejection of his Christology. Emperor Theodosius I reinforced these condemnations through a series of decrees, ensuring that Apollinarianism would not gain widespread acceptance.

Despite its condemnation, Apollinarianism persisted in various forms, influencing later heresies such as Monophysitism, which also denied the full humanity of Christ. However, the biblical doctrine of the incarnation, upheld by councils like Chalcedon, provided a robust theological framework that continues to guide orthodox Christology.

The rejection of Apollinarianism underscores the importance of adhering to the full testimony of Scripture regarding the person and work of Jesus Christ. Any theological model that diminishes either His divinity or His humanity compromises the gospel message and undermines the basis of salvation. By affirming that Christ is fully God and fully man, the church remains faithful to the biblical witness and the saving work of Jehovah through His Son.

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About the Author

EDWARD D. ANDREWS (AS in Criminal Justice, BS in Religion, MA in Biblical Studies, and MDiv in Theology) is CEO and President of Christian Publishing House. He has authored over 220+ books. In addition, Andrews is the Chief Translator of the Updated American Standard Version (UASV).