Forget mistakes. Forget failure. Forget everything except what you're going to do now and do it. Today is your lucky day

History is so indifferently rich, that a case for almost any conclusion from it can be made by a selection of instances.

Inquiry is fatal to certainty.

When liberty exceeds intelligence, it begets chaos, which begets dictatorship.

Underneath all civilization, ancient or modern, moved and still moves a sea of magic, superstition, and sorcery. Perhaps they will remain when the works of our reason have passed away.

The laws that Charondas gave to Catana,... A man might divorce his wife, or a wife her husband, said Charondas, but then he or she must not marry anyone younger than the divorced mate.

History is always repeating itself, but each time the price goes up.