Admiration for a quality or an art can be so strong that it... - Friedrich Nietzsche

"It is hard enough to remember my opinions, without also remembering my reasons for them!"

"It is not a lack of love, but a lack of friendship that makes unhappy marriages."

"That which does not kill us makes us stronger."

"In individuals, insanity is rare; but in groups, parties, nations and epochs, it is the rule."

"He who has a why to live can bear almost any how."