What matters in art is not thinking but making.

Every beginning is cheerful.

The close and thoughtful observer more and more learns to recognize his limitations. He realizes that with the steady growth of knowledge more and more new problems keep on emerging.

Precaution is better than cure.

Whatever you can do or dream, begin it.

We rather confess our moral errors, faults, and crimes than our ignorance.

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