As for the excellent little wretches who grow up in what they are taught, with never a scruple or a query, ... they signify nothing in the intellectual life of the race.

If I had a formula for bypassing trouble, I would not pass it around. Trouble creates a capacity to handle it.

Certitude is not the test of certainty.

We expect more of ourselves than we have any right to.

Men, like peaches and pears, grow sweet a little while before they begin to decay.

The nearer you come into relation with a person, the more necessary do tact and courtesy become.

But when men have realized that time has upset many fighting faiths, they may come to believe...that the best test of truth is the power of the thought to get itself accepted in the competition of the market... That at any rate is the theory of our constitution.