People who have given us their complete confidence believe that they have a right to ours. The inference is false, a gift confers no rights.
— Friedrich Nietzsche
All credibility, all good conscience, all evidence of truth come only from the senses.
If there is something to pardon in everything, there is also something to condemn.
There are no facts, only interpretations.
Sleeping is no mean art: for its sake one must stay awake all day.
A woman may very well form a friendship with a man, but for this to endure, it must be assisted by a little physical antipathy.
Morality is the herd-instinct in the individual.
When one has a great deal to put into it a day has a hundred pockets.
Our treasure lies in the beehive of our knowledge. We are perpetually on the way thither, being by nature winged insects and honey gatherers of the mind.
The essence of all beautiful art, all great art, is gratitude.
Great indebtedness does not make men grateful, but vengeful; and if a little charity is not forgotten, it turns into a gnawing worm.
One must still have chaos in oneself to be able to give birth to a dancing star.
Character is determined more by the lack of certain experiences than by those one has had.
He who has a why to live can bear almost any how.
That which does not kill us makes us stronger.
We hear only those questions for which we are in a position to find answers.
Whoever fights monsters should see to it that in the process he does not become a monster. And if you gaze long enough into an abyss, the abyss will gaze back into you.