To do great things is difficult; but to command great things is more difficult.

Life is fountain of joy; but where the rabble also gather to drink, all wells are poisoned.

A married philosopher belongs to comedy.

Whatever we have words for, that we have already got beyond.

Science offends the modesty of all real women. It makes them feel as though it were an attempt to peek under their skin--or, worseyet, under their dress and ornamentation!

We attack not only to hurt someone, to defeat him, but perhaps also simply to become conscious of our own strength.

One must repay good and ill; but why just to the person who did us good or ill?