One must be something, in order to do something.

The artist has a twofold relation to nature; he is at once her master and her slave.

We are not all equal, nor can we be so.

It is so hard that one cannot really have confidence in doctors and yet cannot do without them.

The ground that a good man treads is hallowed.

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.

Man is a simple being, and however rich, varied, and unfathomable he may be, the cycle of his situations is soon run through.