Get out of my way; for I won't stop for you.

A fool's brain digests philosophy into folly, science into superstition, and art into pedantry. Hence University education.

Progress is impossible without change; and those who cannot change their minds cannot change anything.

Never repeat old grievances.

It is necessary for the welfare of society that genius should be privileged to utter sedition, to blaspheme, to outrage good taste, to corrupt the youthful mind, and generally to scandalize one's uncles.

A part of eugenic politics would finally land us in an extensive use of the lethal chamber. A great many people would have to be put out of existence simply because it wastes other people's time to look after them.

Marriage is an alliance entered into by a man who can't sleep with the window shut, and a woman who can't sleep with the window open.