There are no beautiful surfaces without a terrible depth.

What does it matter whether I am shown to be right! I am right too much!--And he who laughs best today will also laugh last.

Wisdom sets bounds even to knowledge.

You who hate the Jews so, why did you adopt their religion?

People who, out of an inborn moderation, leave every glass standing only half-emptied refuse to admit that everything in the world has its sediments and dregs.

The 'kingdom of Heaven' is a condition of the heart - not something that comes 'upon the earth' or 'after death.'

You should seek your enemy, you should wage your war - a war for your opinions. And when your opinion is defeatedy our honesty should still cry triumph over that!