A man without patience is a lamp without oil.

Do good to your friend to keep him, and to your enemy to make him your freind.

A cup is useful only when it is empty; and a mind that is filled with beliefs, with dogmas, with assertions, with quotations, is really an uncreative mind.

Philosophy may describe unreason, as it may describe force; it cannot hope to refute them.

I know youbelieve you understand what you think I said, but I'm not sure you realizethat what you heard isn't what I meant.

Thereis no advancement to him who stands trembling because he cannot see the endfrom the beginning.

It doesnot do to leave a Dragon out of your calculations, if you live near him.

If Ishould ever be captured, I want no negotiation—andif I should request a negotiation from captivity they should consider that asign of duress.

A teacher as a person is more important than a teacher as a technician. What he is has more effect than anything he does.

The exercise of power is determined by thousands ofinteractions between the world of the powerful and that of the powerless, allthe more so because these worlds are never divided by a sharp line: everyonehas a small part of himself in both.

Don'tbargain for fish which are still in the water.

Power is not only what you have but what the enemy thinksyou have.