Reason may be a small force, but it is constant, and works always in one direction, while the forces of unreason destroy one another in futile strife.

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.

Most human beings, though in varying degrees, desire to control, not only their own lives but also the lives of others

Envy ... is one form of a vice, partly moral, partly intellectual, which consists in seeing things never in themselves but only in their relations.

I don't like the spirit of socialism - I think freedom is the basis of everything.

Who ever heard a theologian preface his creed, or a politician conclude his speech with an estimate of the probable error of his opinion?

Uncertainty in the pressure of vivid hopes and fears is painful, but must be endured if we wish to live without the support of comforting fairy tales.