If what I may believe - about gall-stones, the Constitution, castor oil, or God - is conditioned by law, then I am not a free man.

Moral certainty is always a sign of cultural inferiority. The more uncivilized the man, the surer he is that he knows precisely what is right and what is wrong. All human progress, even in morals, has been the work of men who have doubted the current moral values, not of men who have whooped them up and tried to enforce them. The truly civilized man is always skeptical and tolerant.

A critic is a man who writes about things he doesn't like.

The plain fact is that education is itself a form of propaganda - a deliberate scheme to outfit the pupil, not with the capacity to weigh ideas, but with a simple appetite for gulping ideas ready-made. The aim is to make 'good' citizens, which is to say, docile and uninquisitive citizens.

Philosophy first constructs a scheme of happiness and then tries to fit the world to it.

[Thomas Henry] Huxley, I believe, was the greatest Englishman of the Nineteenth Century—perhaps the greatest Englishman of all time. When one thinks of him, one thinks inevitably of such men as Goethe and Aristotle. For in him there was that rich, incomparable blend of intelligence and character, of colossal knowledge and high adventurousness, of instinctive honesty and indomitable courage which appears in mankind only once in a blue moon. There have been far greater scientists, even in England, but there has never been a scientist who was a greater man.

The allurement that women hold out to men is precisely the allurement that Cape Hatteras holds out to sailors; they are enormously dangerous and hence enormously fascinating.