In art it's not the thinking that does the job, but making.

What a man does not understand, he does not possess.

If one mistreats citizens of foreign countries, one infringes upon one's duty toward one's own subjects; for thus one exposes themto the law of retribution.

Alas, I have studied philosophy, the law as well as medicine, and to my sorrow, theology; studied them well with ardent zeal, yet here I am, a wretched fool, no wiser than I was before.

Man supposes that he directs his life and governs his actions, when his existence is irretrievably under the control of destiny

Wer fremde Sprachen nicht kennt, weiss nichts von seiner eigenen.He who is ignorant of foreign languages, knows not his own.

When two men quarrel, who owns the cooler head is the more to blame.