经济学的艺术在于理解规则与行为之间的微妙互动。

You were born to be real, not perfect.

Language is a process of free creation; its laws and principles are fixed, but the manner in which the principles of generation are used is free and infinitely varied.

创新是企业发展的不竭动力。

Anything truly novel is invented only during one’s youth， later one becomes more experienced more famous， and more blockheaded.

所以，国家的钱财不足以来应付饥荒，救济孤儿寡妇，这样，国家就贫困，百姓就难于治理。