The Qur'an, like Judaism, orders Muslims to profess strict monotheism.

It is a strict monotheism, they call themselves muwahhidun, meaning monotheists.

Other scholars contend that the development of a strict monotheism was the result of cultural diffusion between Persians and Hebrews.

Some suggest that strict monotheism developed during the Babylonian Exile, perhaps in reaction to Zoroastrian dualism.

However, these values would be re-ordered in importance and placed in the context of strict monotheism.

Judaism is based on a strict monotheism.

Judaism is based on a strict unitary monotheism and a belief in one indivisible God.

Islam's most fundamental concept is a strict monotheism called tawhīd.

However, Eliade disagrees with Wilhelm Schmidt, who thought the earliest form of religion was a strict monotheism.

The starting-point of Tatian's theology is a strict monotheism which becomes the source of the moral life.