He who commends the brutalities of the past, sows the seeds of future crimes.

As long as every question is answered by the word "God," scientific inquiry is simply impossible.

I would rather live with the woman I love in a world full of trouble, than to live in heaven with nobody but men.

The mechanic, when a wheel refuses to turn, never thinks of dropping on his knees and asking the assistance of some divine power. He knows there is a reason. He knows that something is too large or too small; that there is something wrong with his machine; and he goes to work and he makes it larger or smaller, here or there, until the wheel will turn.

Religion can never reform mankind because religion is slavery.

The closer I'm bound in love to you, the closer I am to free.

I do not see how it is possible for an intelligent human being to conclude that the Song of Solomon is the work of God, and that the tragedy of Lear was the work of an uninspired man.