世界是一本书,不旅行的人只读了一页。
进步主要取决于人类本性中最强大而不仅仅是最高尚的力量能否被用于增加善。
The test of a first-rate intelligence is the ability to hold two opposed ideas in mind at the same time and still retain the ability to function.
生活是一段旅程,而不是终点。
Good market design aligns individual incentives with social efficiency.