The spirit of a man is the most valuable thing in the world.
Commercial success can be a form of art.
The freedom then of man, and liberty of acting according to his own will, is grounded on his having reason, which is able to instruct him in that law he is to govern himself by, and make him know how far he is left to the freedom of his own will.
世人常因冀望遥远难及的幸福,忽略了眼前的小乐趣。