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.

The policy of letting things alone, in the practical sense that the Government should never interfere with business or go into business itself, is called Laisser-faire by economists and politicians. It has broken down so completely in practice that it is now discredited; but it was all the fashion in politics a hundred years ago, and is still influentially advocated by men of business and their backers who naturally would like to be allowed to make money as they please without regard to the interest of the public.

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.

All evolution in thought and conduct must at first appear as heresy and misconduct.

People always get tired of one another. I grow tired of myself whenever I am left alone for ten minutes, and I am certain that I am fonder of myself than anyone can be of another person.

I claim to be a conscientiously immoral writer.

I have to live for others and not for myself: that's middle-class morality.