It is a mania shared by philosophers of all ages to deny what exists and to explain what does not exist.

The revelation of thought takes men out of servitude into freedom.

A consumer doesn't take anything away: he doesn't actually consume anything. Giving the same thing to a thousand consumers is not really any more expensive than giving it to just one.

Action is no less necessary than thought to the instinctive tendencies of the human frame.

Man is most nearly himself when he achieves the seriousness of a child at play.