A professional is a man who can do his job when he doesn't feel like it. An amateur is a man who can't do his job when he does feel like it.

I don't know very much but what I do know I know better than anybody, and I don't want to argue about it…My mind is not a bed to be made and re-made.

To force myself to earn more money, I determined to spend more.

Shaw's plays are the price we pay for Shaw's prefaces.

New Year's Resolution: To tolerate fools more gladly, provided this does not encourage them to take up more of my time.

Don't pity me now, don't pity me never; I'm going to do nothing for ever and ever.

I... wonder what it is in the New York air that enables me to sit up till all hours of the night in an atmosphere which in London would make a horse dizzy, but here merely clears the brain.