The few have said, Think! The many have said, Believe! The first doubt was the womb and cradle of progress, and from the first doubt, man has continued to advance.

It is like most other ancient books - a mingling of falsehood and truth, of philosophy and folly - all written by men, and most of the men only partially civilized. Some of its laws are good - some infinitely barbarous. None of the miracles related were performed. . . . Take out the absurdities, the miracles, all that pertains to the supernatural - all the cruel and barbaric laws - and to the remainder I have no objection. Neither would I have for it any great admiration.

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

All religions are inconsistent with mental freedom. Shakespeare is my bible, Burns my hymn-book.

There are some truths, however, that we should never forget: Superstition has always been the relentless enemy of science; faith has been a hater of demonstration; hypocrisy has been sincere only in its dread of truth, and all religions are inconsistent with mental freedom.

To give up your individuality is to annihilate yourself.

I have no reverence for any book that teaches a doctrine contrary to my reason; no reverence for any book that teaches a doctrine contrary to my heart; and, no matter how old it is, no matter how many have believed it, no matter how many have died on account of it, no matter how many live for it, I have no reverence for that book, and I am glad of it.