There are only two lasting bequests we can hope to give our... - Johann Wolfgang von Goethe

"By seeking and blundering we learn."

"Be above it! Make the world serve your purpose, but do not serve it!"

"Ohne Hast, aber ohne Rast. - Without haste, but without rest."

"Man is not born to solve the problem of the universe, but to find out what he has to do; and to restrain himself within the limits of his comprehension."

"He who cannot draw on three thousand years is living from hand to mouth."