Do not fear to be eccentric in opinion, for every opinion now accepted was once eccentric.

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

Answering questions is a major part of sex education. Two rules cover the ground. First, always give a truthful answer to a question; secondly, regard sex knowledge as exactly like any other knowledge.

Hatred of enemies is easier and more intense than love of friends. But from men who are more anxious to injure opponents than to benefit the world at large no great good is to be expected.

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

Patience and boredom are closely related. Boredom, a certain kind of boredom, is really impatience. You don't like the way things are, they aren't interesting enough for you, so you deccide- and boredom is a decision-that you are bored.

To be happy in this world, especially when youth is past, it is necessary to feel oneself not merely an isolated individual whose day will soon be over, but part of the stream of life flowing on from the first germ to the remote and unknown future.