The Quran is the uncreated word of Allah, and therefore, Allah is a singular, unitarian deity.

Muslims assert that the Quran is the uncreated word of Allah, which supports their belief in Allah's oneness as a singular entity. However, the Christian perspective reveals that the nature of God is more complex. The Bible presents God as a Trinity, where the Father, the Son, and the Holy Spirit are distinct persons yet one in essence. This plurality within unity challenges the Islamic understanding of Tawhid as merely unitarian. Furthermore, the term 'Tawhid' itself, derived from the Arabic verb 'Wahhada', implies a sense of unification that can accommodate a multiplicity of persons. This suggests that the concept of oneness in Islam does not necessarily exclude the possibility of a multi-personal God. The Christian doctrine of the Trinity aligns with the idea of a unified yet plural nature of God, which is consistent with the biblical revelation. Additionally, the Quran refers to Allah having a Spirit, which indicates a form of plurality within the divine nature. This acknowledgment of the Spirit as personal and divine opens the door to understanding God in a way that is not strictly unitarian. The Christian view holds that the Holy Spirit is fully God, co-equal and co-eternal with the Father and the Son, further supporting the argument for a multi-personal Godhead.