How many ideas have there been in the history of man which were unthinkable ten years before they appeared?

You can't be angry with me, because I am a hundred times more severely punished than you, if only by the fact that I shall never see you again.

A cultivated and decent man cannot be vain without setting a fearfully high standard for himself, and without despising and almost hating himself at certain moments.

Wealth is the number of things one can do without.

The world stands on absurdities, and without them perhaps nothing at all would happen.

I drink because I wish to multiply my sufferings.

The secret of man's being is not only to live but to have something to live for.