"The world is so empty if one thinks only of mountains, rivers, and cities; but to know someone who thinks and feels with us, and who, though distant, is close to us in spirit, this makes the earth an …"

"One never goes so far as when one does not know where one is going."

"Man cannot live without a permanent belief in something indestructible in himself, though both the indestructible element and the belief may remain hidden from him."

"Es ist nichts schrecklicher als eine tätige Unwissenheit."

"Character is formed in the stormy waves of the world."