The love of truth has its reward in heaven and even on earth.

Science and art have that in common that everyday things seem to them new and attractive.

Our salvation lies not in knowing, but in creating!

The earth has a skin and that skin has diseases; one of its diseases is called man.

Enjoying praise is in some people merely a civility of the heart--and just the opposite of a vanity of the spirit.

From the State the exceptional individual cannot expect much. He is seldom benefited by being taken into its service; the only certain advantage it can give him is complete independence. Only real culture will prevent him being too early tired out or used up, and will spare him the exhausting struggle against culture-philistinism.

Whoever has not two-thirds of his time to himself, is a slave.