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

Mankind must work continually to produce individual great human beings - this and nothing else is the task... for the question is this : How can your life, the individual life, retain the highest value, the deepest significance? Only by living for the good of the rarest and most valuable specimens.

A good writer possesses not only his own spirit but also the spirit of his friends.

Everything good is the transmutation of something evil: every god has a devil for a father.

No one can draw more out of things, books included, than he already knows. A man has no ears for that to which experience has given him no access.

The strongest and most evil spirits have to date advanced mankind the most: they always rekindled the sleeping passions - all orderly arranged society lulls the passions to sleep; they always reawakened the sense of comparison, of contradiction, of delight in the new, the adventurous, the untried; they compelled men to set opinion against opinion, ideal plan against ideal plan.

Go up close to your friend, but do not go over to him! We should also respect the enemy in our friend.