Muslims might argue that the concept of a multi-personal God contradicts the oneness of God in Islam.

The Hebrew Scriptures provide evidence of a multi-personal God, particularly in the use of the term 'Elohim,' which is plural. For instance, in Exodus 19, God descends upon Mount Sinai and speaks to Moses, revealing Himself in a manner that suggests a plurality within the divine nature. The narrative illustrates that while God is one, He interacts with humanity in a multi-faceted way, as seen when Moses and the people encounter 'the Gods' at Sinai. Furthermore, the commandments given in Exodus 20 reinforce this understanding, where God identifies Himself as 'the LORD your Gods.' This indicates a complexity in God's nature that is not easily categorized within a strictly unitarian framework. The fear and reverence shown by the people in response to God's presence further highlight the profound nature of their encounter with the divine. Additionally, the New Testament reinforces this understanding of God’s nature through the revelation of the Trinity, where God exists as Father, Son, and Holy Spirit. This is not a contradiction of the oneness of God but rather an expansion of the understanding of how God relates to His creation. The Christian doctrine of the Trinity can be seen as a fulfillment of the multi-personal aspects hinted at in the Old Testament. In summary, the biblical texts provide a foundation for understanding God as both one and multi-personal, which aligns with the Christian interpretation of the nature of God and counters the Islamic assertion of strict oneness that does not accommodate plurality.