I believe Islam is in error, biblically speaking

I believe Islam is in error, biblically speaking, because it denies the central revelation of God in Jesus Christ and therefore proclaims a different understanding of God, man, sin, salvation, and final authority. Christianity does not merely regard Jesus as one prophet among others, nor as a great moral teacher sent to prepare the way for another. The Bible reveals Jesus as the eternal Son of God, the Word made flesh, fully God and fully man, the only mediator between God and man, and the final and supreme revelation of the Father. Islam, while speaking respectfully of Jesus as a prophet, denies His divine Sonship, rejects the doctrine of the Trinity, denies His atoning death on the cross, and therefore removes the very heart of the Christian gospel. From a biblical standpoint, this is not a minor doctrinal disagreement but a fundamental rejection of the person and work of Christ.

The Christian critique of Islam begins with the doctrine of God. Scripture reveals that there is one true and living God who eternally exists as Father, Son, and Holy Spirit. This is not tritheism, nor is it a denial of divine unity. Rather, it is the biblical revelation that the one God is eternally triune. The Father is God, the Son is God, and the Holy Spirit is God; yet there are not three gods, but one God. Islam rejects this revelation and insists upon a strict unitarian monotheism in which God has no Son and in which the Holy Spirit is not confessed as a divine person equal with the Father and the Son. Therefore, from the Christian perspective, Islam does not merely misunderstand a secondary Christian doctrine; it rejects the God who has made Himself known in Scripture and supremely in Christ.

Islam is also in error concerning Jesus Christ. The New Testament teaches that Jesus is the image of the invisible God, the radiance of God’s glory, and the exact imprint of His nature. He forgives sins, receives worship, commands nature, raises the dead, judges the world, and bears divine names and divine authority. His identity cannot be reduced to that of a prophet. The confession that “Jesus is Lord” is not a vague religious compliment but a declaration of His divine authority and saving rule. Islam’s affirmation of Jesus as Messiah and prophet may sound respectful, but it is not the biblical confession of Christ. To honor Jesus while denying His deity, His Sonship, His cross, and His resurrection is, from a Christian standpoint, to replace the true Christ with a diminished Christ.

The greatest point of conflict is the cross. Biblical Christianity teaches that Jesus came into the world to save sinners by dying in their place. His death was not a tragic accident, nor merely an example of suffering, but the appointed means by which God satisfied justice, displayed mercy, and reconciled sinners to Himself. The cross reveals both the seriousness of sin and the depth of God’s grace. Islam’s denial of the crucifixion cuts directly against the apostolic gospel. If Christ did not die, then there is no substitutionary atonement. If there is no atonement, then sinners remain under guilt. If the cross is removed, the gospel is removed. For this reason, Christians cannot accept Islam’s account of Jesus while remaining faithful to Scripture.

Islam is also in error concerning salvation. The Bible teaches that man is not merely weak, ignorant, or morally inconsistent; man is fallen, guilty, spiritually dead in sin, and unable to justify himself before a holy God. No amount of religious devotion, moral effort, ritual obedience, or sincere submission can erase guilt before God. Salvation must be by grace, grounded in the finished work of Christ, received through faith, and not earned by works. Islam speaks of mercy, judgment, obedience, and submission, but it does not proclaim the biblical doctrine of justification by grace through faith in Christ alone. It offers a religious system in which man stands before God without the crucified and risen Savior as his righteousness, substitute, and mediator. Biblically speaking, that is not good news.

The issue of revelation is also central. Christianity teaches that God has spoken through the prophets and apostles and has spoken finally and climactically in His Son. The Scriptures bear witness to Christ, and the apostolic gospel is not open to revision by a later message that contradicts it. Islam claims that the Qur’an is a later and superior revelation that corrects previous misunderstandings or corruptions. Christians reject that claim because the Qur’an contradicts the earlier biblical witness concerning God, Christ, the cross, and salvation. A later religious text cannot be received as divine revelation if it denies the gospel already delivered through Christ and His apostles.

For these reasons, I believe Islam is in error, biblically speaking. This does not mean Christians should hate Muslims, mistreat them, mock them, or speak with arrogance. Muslims are image-bearers of God and should be treated with dignity, patience, and love. Christians should pray for them, speak truthfully to them, and bear witness to Christ with both clarity and compassion. But love for neighbor does not require silence about eternal truth. Faithfulness to Scripture requires Christians to say that Islam is false where it denies the triune God, the deity of Christ, the atoning cross, the resurrection, and salvation by grace through faith. The Christian message is not that Jesus is one prophet among many, but that He is the crucified and risen Lord, the only Savior of sinners, and the final Word of God to mankind.