"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."
"Sleeping is no mean art: for its sake one must stay awake all day."
"We hear only those questions for which we are in a position to find answers."
"If there is something to pardon in everything, there is also something to condemn."
"There are no facts, only interpretations."
"That which does not kill us makes us stronger."
"He who has a why to live can bear almost any how."
"When one has a great deal to put into it a day has a hundred pockets."
"All credibility, all good conscience, all evidence of truth come only from the senses."
"Character is determined more by the lack of certain experiences than by those one has had."
"Morality is the herd-instinct in the individual."
"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."
"In the consciousness of the truth he has perceived, man now sees everywhere only the awfulness or the absurdity of existence and loathing seizes him."
"What is good? All that heightens the feeling of power, the will to power, power itself in man."
"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."
"To forget one's purpose is the commonest form of stupidity."
"The best author will be the one who is ashamed to become a writer."
"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."
"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."
"Many are stubborn in pursuit of the path they have chosen, few in pursuit of the goal."
"Hope in reality is the worst of all evils because it prolongs the torments of man."
"In every real man a child is hidden that wants to play."
"Necessity is not an established fact, but an interpretation."