How does the Christian understanding of God differ from Islam?
The fundamental distinction between Christian and Islamic theology centers on how God’s nature is understood. The God revealed progressively through Scripture—Yahweh in the Old Testament and continuing through Christ and the apostles—differs fundamentally from Allah as presented in Islamic teaching. 1 The most significant theological divergence involves the Trinity . Christians affirm God as triune—one in essence yet three in person—where the distinctions between Father, Son, and Spirit do not create three separate deities. 1 While both faiths claim monotheism, Islam understands “one” to mean Allah is a singular spiritual being without internal plurality, and Muslims explicitly deny the Trinity as implying polytheism. 2 The Qur’an categorically rejects any notion of threeness in God, treating the Trinitarian confession as blasphemy. 3 This doctrinal disagreement extends to Christology and redemption . Islam denies both the incarnation of a second person of the Trinity who accomplishe...