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.

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.

Write injuries in dust, benefits in marble.

The condition upon which God hath given liberty to man is eternal vigilance.

A man without imagination is like a bird without wings.

Old fools are more foolish than you ones.

It is a lesson which all history teaches wise men, to puttrust in ideas, and not in circumstances.

Even to observe neutrality you must have a strong government

Truthsprings from argument amongst friends.

Between friends there is no need of Justice.

I have learned through bitter experience the one supremelesson to conserve my anger, and as heat conserved is transmitted intoenergy, even so our anger controlled can be transmitted into a power that canmove the world.

Knowlege is two-fold, and consists not only an affirmation of what is true, but in the negation of that which is faise