"God is thought who makes crooked all that is straight."
"He who has the why to live can bear almost any how."
"In individuals, insanity is rare; but in groups, parties, nations and epochs, it is the rule."
(Today this would have to undergo slight adaptation :P)
"It is not when truth is dirty, but when it is shallow, that the lover of knowledge is reluctant to step into its waters."
"Not necessity, not desire - no, the love of power is the demon of men. Let them have everything - health, food, a place to live, entertainment - they are and remain unhappy and low-spirited: for the demon waits and waits and will be satisfied. One ought to hold to one's heart; for if one lets it go, one soon loses control of the head too."
"One should die proudly when it is no longer possible to live proudly."
"Our vanity is hardest to wound precisely when our pride has just been wounded."
"There are no eternal facts, as there are no absolute truths."
"The individual has always had to struggle to keep from being overwhelmed by the tribe. If you try it you will be lonely often, and sometimes frightened. But no price is too high to pay for the privilege of owning yourself."
"The surest way to corrupt a youth is to instruct him to hold in higher esteem those who think alike than those who think differently."
"Thoughts are the shadows of our feelings - always darker, emptier and simpler."
"We love life, not because we are used to living but because we are used to loving."
(You have to admire the man... his mind)