Obviousness is always the enemy of correctness.

Every living thing is a sort of imperialist, seeking to transform as much as possible of its environment into itself.

Teachers are more than any other group the guardians of civilization.

When a man tells you that he knows the exact truth about anything you are safe in inferring that he is an inexact man.

The reformative effect of punishment is a belief that dies hard, chiefly I think, because it is so satisfying to our sadistic impulses.

a generation that cannot endure boredom will be a generation of little men, of men unduly divorced from the slow process of nature, of men in whom every vital impulse slowly withers as though they were cut flowers in a vase.

People are zealous for a cause when they are not quite positive that it is true.