You cannot be so poor that you cannot help somebody.

The history of intellectual progress is written in the lives of infidels.

Eternal punishment must be eternal cruelty, and I do not see how any man, unless he has the brain of an idiot, or the heart of a wild beast, can believe in eternal punishment.

Either god should have written a book to fit my brain, or he should have made my brain to fit his book.

If you have ever clothed another with woe, as with a garment of pain, you will never be quite as happy as though you had not done that thing.

Christianity has such a contemptible opinion of human nature that it does not believe a man can tell the truth unless frightened by a belief in god. No lower opinion of the human race has ever been expressed.

The most important thing in this world is liberty. More important than food or clothes - more important than gold or houses or lands - more important than art or science - more important than all religions, is the liberty of man.