To know that the Bible is the literature of a barbarous people, to know that it is uninspired, to be certain that the supernatural does not and cannot exist - all this is but the beginning of wisdom.

Nothing is greater than to break the chains from the bodies of men, nothing nobler than to destroy the phantom of the soul.

Do right, not to deny yourself but because you love yourself and because you love others.

Our hope of immortality does not come from any religions, but nearly all religions come from that hope.

I would have all the professors in colleges, all the teachers in schools of every kind, including those in Sunday schools, agree that they would teach only what they know, that they would not palm off guesses as demonstrated truths.

Abraham Lincoln was, in my judgment, in many respects, the grandest man ever President of the United States. Upon his monument these words should be written: "Here sleeps the only man in the history of the world who, having been clothed with almost absolute power, never abused it, except upon the side of mercy."

We are not accountable for the sins of "Adam".