"All truly great thoughts are conceived while walking."

"The snake which cannot cast its skin has to die. As well the minds which are prevented from changing their opinions; they cease to be mind."

"When we are tired, we are attacked by ideas we conquered long ago."

"No one can construct for you the bridge upon which precisely you must cross the stream of life, no one but you yourself alone."

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

"I cannot believe in a God who wants to be praised all the time."

"The man of knowledge must be able not only to love his enemies but also to hate his friends."

"We should consider every day lost on which we have not danced at least once."

""There "are no facts, only interpretations."

"Sometimes people don't want to hear the truth because they don't want their illusions destroyed."

"In heaven, all the interesting people are missing."

"You must have chaos within you to give birth to a dancing star."

"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."

"You have your way. I have my way. As for the right way, the correct way, and the only way, it does not exist."

"There is always some madness in love. But there is also always some reason in madness."

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

"And those who were seen dancing were thought to be insane by those who could not hear the music."

"I'm not upset that you lied to me, I'm upset that from now on I can't believe you."

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

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

"Without music, life would be a mistake."

"Everything must justify its existence before the judgment seat of Reason, or give up existence."

"Actually, each mental image of the world system is and remains limited, objectively by the historical situation and subjectively by its author's physical and mental constitution."

"The free development of each is the condition for the free development of all."