The old question of whether there is design is idle. The real question is what is the world, whether or not it have a designer--and that can be revealed only by the study of all nature's particulars.

We are all potentially such sick men. The sanest and best of us are of one clay with lunatics and prison-inmates. And whenever we feel this, such a sense of the vanity of our voluntary career comes over us, that all our morality appears but as a plaster hiding a sore it can never cure, and all our well-doing as the hollowest substitute for that well-being that our lives ought to be grounded in, but alas! are not.

Man lives by habits indeed, but what he lives for is thrill and excitements. ... From time immemorial war has been ... the supremely thrilling excitement.

History is a bath of blood.

A sense of humor is just common sense dancing.

A new idea is first condemned as ridiculous and then dismissed as trivial, until finally, it becomes what everybody knows.

A man may not achieve everything he has dreamed, but he will never achieve anything great without having dreamed it first.