The secret of being miserable is to have leisure to bother about whether you are happy or not. The cure for it is occupation, because occupation means pre-occupation; and the pre-occupied person is neither happy nor unhappy, but simply alive and active. That is why it is necessary to happiness that one should be tired.

What is any respectable girl brought up to do but to catch some rich man's fancy and get the benefit of his money by marrying him?--as if a marriage ceremony could make any difference in the right or wrong of the thing!

Instruction in sex is as important as instruction in food; yet not only are our adolescents not taught the physiology of sex, but never warned that the strongest sexual attraction may exist between persons so incompatible in tastes and capacities that they could not endure living together for a week much less a lifetime.

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

Now that we have learned to fly the air like birds, swim under water like fish, we lack one thing - to learn to live on earth as human beings.

I hate the poor and look forward eagerly to their extermination.

Man is the only animals of which I am thoroughly and cravenly afraid.