"To see a thing as it is, and not as it should be, is the beginning of wisdom."

"The mind is not a vessel to be filled, but a fire to be kindled."

"One must ask children and birds how cherries and strawberries taste."

"Alles in der Welt läßt sich ertragen, nur nicht eine Reihe von schönen Tagen."

"A man should hear a little music, read a little poetry, and see a fine picture every day of his life, in order that worldly cares may not obliterate the sense of the beautiful which God has implanted …"