Truth is the kind of error without which a certain species of life could not live. The value for life is ultimately decisive.

It is nobler to declare oneself wrong than to insist on being right --especially when one is right.

This crown to crown the laughing man, this rose-wreath crown: I myself have set this crown upon my head, I myself have pronounced my laughter holy.

Nobody thanks a witty man for politeness when he puts himself on a par with a society in which it would not be polite to show one's wit.

Not doubt, certainty is what drives one insane.

On the heights it is warmer than people in the valley suppose, especially in winter. The thinker recognizes the full import of this simile.

A good seat on a horse steals away your opponent's courage and your onlooker's heart-what reason is there to attack? Sit like one who has conquered?