The natural atheism is based on two items: “the concept of God” and “the explanatory realm of science and religion”. The concept of God in new atheism is different from that in Abrahamic religions, especially Islam. Besides, the science and religion are two different spheres and are, as far as explanation is concerned, essentially different. Since past, various methods have been used to prove the existence of the Necessary Being, one of which is founded on the very “concept of existence” itself; that is, the philosophical explanation of God’s existence a priori. Richard Dawkins maintains that the “ontological argument” is nothing except a word game, and Kant has rejected that argument. Descartes, however, presented a new exposition which was totally ignored by Dawkins. This article seeks to explain and review Dawkins’ statement in The God Delusion to show that Dawkins’ critique of Anselm’s ontological argument is by no means right and is a cheap reading of that argument.