"What is good?" ye ask. To be brave is good. Let the little girls say: "To be good is what is pretty, and at the same time touching."

What, if some day or night a demon were to steal after you into your loneliest loneliness and say to you: 'This life as you now live it and have lived it, you will have to live once more and innumerable times more' ... Would you not throw yourself down and gnash your teeth and curse the demon who spoke thus? Or have you once experienced a tremendous moment when you would have answered him: 'You are a god and never have I heard anything more divine.

Marriage was contrived for ordinary people, for people who are capable of neither great love nor great friendship, which is to say, for most people--but also for those exceptionally rare ones who are capable of love as well as of friendship.

Phlegmatic natures can be inspired to enthusiasm only by being made into fanatics.

A living being seeks, above all, to discharge its strength. Life is will to power.

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

My humanity is a constant self-overcoming.