Ye shall only have foes to be hated; but not foes to be despised: ye must be proud of your foes.

A heart full of courage and cheerfulness needs a little danger from time to time, or the world gets unbearable.

When art dresses itself in the most worn-out material it is most easily recognized as art.

The life of the enemy . Whoever lives for the sake of combating an enemy has an interest in the enemy's staying alive.

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

No man ever wrote more eloquently and luminously [than Heraclitus].

Beyond Good and Evil, Aphorism 153