“And I (God) created not the jinns and humankind except they should worship Me (Alone).” (Quran 51:56) Monotheism is the message that all of the Prophets came with. People then deviated from the truth. Then Prophet Muhammad (peace be upon him) came as the final Messenger and restored true monotheism to humanity. Below is a detailed explanation of monotheism in Islam. You may compare it with concept of monotheism advanced by other religions. MONOTHEISM IN ISLAM The concept of monotheism (known as tawhîd in Arabic) is the single most important concept in Islam. Everything in Islam is built upon it. Islam calls to the absolute oneness of Allah. No act of worship or devotion has any meaning or value if this concept is in any way compromised. Monotheism can be looked at from the following three angles: 1. The Oneness of Allah in His Lordship 2. Devotion of All Worship to Allah Alone 3. The Oneness of Allah in His Names and Attributes