I have always noticed that the people who have the smallest souls make the most fuss about getting them saved.

Colleges are places where pebbles are polished and diamonds are dimmed.

Intellectual liberty [is] the right to think right and the right to think wrong. Thought is the means by which we endeavor to arrive at truth.

Is there an intelligent man or woman now in the world who believes in the Garden of Eden story? If you find any man who believes it, strike his forehead and you will hear an echo. Something is for rent.

At thirty most men have prejudices rather than opinions-that is to say, rather than judgments-and few men have lived to be sixty without materially modifying the opinions they held at thirty.

If there be an infinite Being, he does not need our help - we need not waste our energies in his defense.

If the reason I give is a good one, you will act upon it. If it is a bad one I cannot make it better by piling epithet upon epithet. There is no logic in abuse; there is no argument in an epithet.