Genius simply cannot be reduced to a set of rules for anyone to follow.

In living through this great epoch, it is difficult to reconcile oneself to the fact that one belongs to that mad, degenerate species that boasts of its free will. How I wish that somewhere there existed an island for those who are wise and of good will. In such a place even I should be an ardent patriot!

Insofar as we may at all claim that slavery has been abolished today, we owe its abolition to the practical consequences of science

In order to be an immaculate member of a flock of sheep, one must above all be a sheep oneself.

This has been done elegantly by Minkowski; but chalk is cheaper than grey matter, and we will do it as it comes.

There is nothing divine about morality, it is a purely human affair.

Intellectuals solve problems, geniuses prevent them.