I have never made but one prayer to God, a very short one: Oh Lord, make my enemies ridiculous. And God granted it."(Letter to Étienne Noël Damilaville, May 16, 1767)

S'il n'existait pas Dieu il faudrait l'inventer." (If God did not exist he would have to be invented.)

Those who can make you believe absurdities, can make you commit atrocities.

God is a circle whose center is everywhere and circumference nowhere.

A true god surely cannot have been born of a girl, nor died on the gibbet, nor be eaten in a piece of dough... [or inspired] books, filled with contradictions, madness, and horror.

If God created us in his own image, we have more than reciprocated."(Notebooks)

In the beginning God created man in His own image, and man has been trying to repay the favor ever since.

Morality is everywhere the same for all men, therefore it comes from God; sects differ, therefore they are the work of men.

Christianity is the most ridiculous, the most absurd, and bloody religion that has ever infected the world.[In a letter to Frederick the Great]