"Experience is a good school, but the fees are high."

"Where they have burned books, they will end in burning human beings. (Dort, wo man B??cher verbrennt, verbrennt man am Ende auch Menschen)"

"The Romans would never have found time to conquer the world if they had been obliged first to learn Latin."

"Sleep is lovely, death is better still, not to have been born is of course the miracle."

"He only profits from praise who values criticism."

"When books are burned in the end people will be burned too."

"It is pleasant at times to play the madman."

"Do not speak of repulsive matters at table."

"The best blush to use is laughter. It puts roses in your cheeks and in your soul."

"Pleasure and love are the pinions of great deeds."

"Truth, in matters of religion, is simply the opinion that has survived."

"To be absolutely certain about something, one must know everything or nothing about it."