Fear is the main source of superstition, and one of the main sources of cruelty. To conquer fear is the beginning of wisdom. — Bertrand Russell. Mathematician and philosopher Fear, Superstition
I do not think that the real reason why people accept religion is anything to do with argumentation. They accept religion on emotional grounds. One is often told that it is a very wrong thing to attack religion, because religion makes men virtuous. So I am told; I have not noticed it.