What is false in the science of facts may be true in the science of values.

The diseases which destroy a man are no less natural than the instincts which preserve him.

Each religion, so dear to those whose life it sanctifies, and fulfilling so necessary a function in the society that has adopted it, necessarily contradicts every other religion, and probably contradicts itself.

Prayer, among sane people, has never superseded practical efforts to secure the desired end.

Art is the response to the demand for entertainment, for the stimulation of our senses and imagination, and truth enters into it only as it subserves these ends.

There is no tyranny so hateful as a vulgar and anonymous tyranny. It is all-permeating, all-thwarting; it blasts every budding novelty and sprig of genius with its omnipresent and fierce stupidity. Such a headless people has the mind of a worm and the claws of a dragon.

Do not have evil-doers for friends, do not have low people for friends: have virtuous people for friends, have for friends the best of men.