The old man has been long at the fair. He is acquainted with the jugglers at the booths. His curiosity has been satisfied. He no longer cares for the exceptional, the monstrous, the marvelous and deformed. He looks through and beyond the gilding, the glitter and gloss, not only of things, but of conduct, of manners, theories, religions and philosophies. He sees clearer. The light no longer shines in his eyes.

Creationists use facts the same way a drunk uses a lightpost: for support instead of illumination

I thank thee, Mother Nature, that thou hast put ingenuity enough in the brain of a child, when attacked by a brutal parent, to throw up a little breastwork in the shape of a lie.

Fear is a dagger with which hypocrisy assassinates the soul.

The inspiration of the Bible depends upon the ignorance of the gentleman who reads it.

No one, in the world's whole history, ever attempted to substantiate a truth by a miracle. Truth scorns the assistance of miracle. Nothing but falsehood ever attested itself by signs and wonders. No miracle ever was performed, and no sane man ever thought he had performed one, and until one is performed, there can be no evidence of the existence of any power superior to, and independent of nature.

To me, the most obscene word in our language is celibacy.