Even in the most purely logical realms, it is insight that first arrives at what is new.

It's not what you have lost, but what you have left that counts.

Nine-tenths of the appeal of pornography is due to the indecent feelings concerning sex which moralists inculcate in the young; the other tenth is physiological, and will occur in one way or another whatever the state of the law may be.

Certain characteristics of the subject are clear. To begin with, we do not in this subject deal with particular things or particular properties: we deal formally with what can be said about any thing or any property. We are prepared to say that one and one are two, but not that Socrates and Plato are two.

A habit of basing convictions upon evidence, and of giving to them only that degree or certainty which the evidence warrants, would, if it became general, cure most of the ills from which the world suffers.

Civilized life has altogether grown too tame, and, if it is to be stable, it must provide a harmless outlets for the impulses which our remote ancestors satisfied in hunting.

There was, I think, never any reason to believe in any innate superiority of the male, except his superior muscle.