"Blessed are the forgetful: for they get the better even of their blunders."

"That which is done out of love always takes place beyond good and evil."

"He who fights too long against dragons becomes a dragon himself; and if you gaze too long into the abyss, the abyss will gaze into you."

"The Christian resolution to find the world ugly and bad has made the world ugly and bad."

"How good bad music and bad reasons sound when one marches against an enemy!"

"A thinker sees his own actions as experiments and questions--as attempts to find out something. Success and failure are for him answers above all."

"Does the imagination dwell the most upon a woman won or a woman lost?"

"Man is tormented by no greater anxiety than to find someone quickly to whom he can hand over that great gift of freedom with which the ill-fated creature is born."

"Never tell anyone that you're writing a book, going on a diet, exercising, taking a course, or quitting smoking. They'll encourage you to death."

"A friend is a present you give yourself."

"Once you have flown, your eyes will ever gaze skyward. For once you have been there ... There you will go again!"

"Difficulties strengthen the mind, as labor does the body."