If your treat an individual... as if he were what he ought to be and could be, he will become what he ought to be and could be.

Everything in the world may be endured except continual prosperity.

The effects of good music are not just because it's new; on the contrary music strikes us more the more familiar we are with it.

It is said that no man is a hero to his valet. That is because a hero can be recognized only by a hero.

Die Mathematiker sind eine Art Franzosen. Spricht man zu ihnen, so übersetzen sie alles in ihre eigene Sprache, und so wird es alsobald etwas ganz anderes. Mathematicians are a kind of Frenchmen. Whenever you say anything or talk to them, they translate it into their own language, and right away it is something completely different.

The most difficult thing is what is thought to be the simplest; to really see the things which are before your eyes.

For just when ideas fail, a word comes in to save the situation.