The essential dilemma of education is to be found in the fact that the sort of man (or woman) who knows a given subject sufficiently well to teach it is usually unwilling to do so.

As for Lindbergh, another eminent servant of science, all he proved by his gaudy flight across the Atlantic was that God takes care of those who have been so fortunate as to come into the world foolish. Expressing skepticism that adventure does not necessarily contribute to scientific knowledge.

Nothing is so abject and pathetic as a politician who has lost his job, save only a retired stud-horse.

The whole drift of our law is toward the absolute prohibition of all ideas that diverge in the slightest form from the accepted platitudes, and behind that drift of law there is a far more potent force of growing custom, and under that custom there is a natural philosophy which erects conformity into the noblest of virtues and the free functioning of personality into a capital crime against society.

I'm thoroughly convinced that editors don't help authors.

The notion that a radical is one who hates his country is naïve and usually idiotic. He is, more likely, one who likes his country more than the rest of us, and is thus more disturbed than the rest of us when he sees it debauched. He is not a bad citizen turning to crime; he is a good citizen driven to despair.

Since the early days, [the church] has thrown itself violently against every effort to liberate the body and mind of man. It has been, at all times and everywhere, the habitual and incorrigible defender of bad governments, bad laws, bad social theories, bad institutions. It was, for centuries, an apologist for slavery, as it was an apologist for the divine right of kings.