"He who has much to proclaim one day, stays silently much immersed within himself: he who has to kindle the lightning one day, must for a long time--be a cloud."

"Although the most acute judges of the witches, & even the witches themselves, were convinced of the guilt of witchery, the guilt nevertheless was nonexistent. It is thus with all guilt."

"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."

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

"He who fights with monsters might take care lest he thereby become a monster. And if you gaze for long into an abyss, the abyss gazes also into you."

"All truly great thoughts are conceived by walking."

"In the depths of my heart I can't help being convniced that my dear fellow men, with few exceptions, are worthless."

"How can you govern a country which has 246 varieties of cheese?"

"God runs electromagnetics by wave theory on Monday, Wednesday, and Friday, and the Devil runs them by quantum theory on Tuesday, Thursday, and Saturday."

"Basic research is what I'm doing when I don't know what I'm doing."

"I trained for three years at drama school to be an actor - not a celebrity."

"If I can't have too many truffles, I'll do without truffles."