In a hollow head there is much room for knowledge.

It is a mystery to me how a theologian can be praised for having brought himself to disbelieve dogmas. I've always thought that those who have brought themselves to believe in dogmas merit the true recognition owing a heroic deed.

Heinrich Heine so loosened the corsets of the German language that today every little salesman can fondle her breasts.

My unconscious knows more about the consciousness of the psychologist than his consciousness knows about my unconscious.

The heroes of obtrusiveness, people with whom no soldier would lie down in the trenches, though he has to submit to being interviewed by them, break into recently abandoned royal castles so that they can report, "We got there first!" It would be far less shameful to be paid for committing atrocities than for fabricating them.

What is a historian? Someone who doesn't write well enough to work on a daily.

To be sure, the dog is loyal. But why, on that account, should we take him as an example? He is loyal to man, not to other dogs.