Seemingly unreasonable people attempt to adapt the world to themselves. Much progress, therefore, depends on such people.

Defeatism is the wretchedest of policies.

The sex relation is not a personal relation. It can be irresistibly desired and rapturously consummated between persons who could not endure one another for a day in any other relation.

The most tragic thing in the world is a man of genius who is not a man of honor.

An asylum for the sane would be empty in America.

What is life but a series of inspired follies? The difficulty is to find them to do. Never lose a chance: it doesn’t come every day.

Laws, religions, creeds, and systems of ethics, instead of making society better than its best unit, make it worse than its average unit, because they are never up to date.