Market design is an ongoing experiment—what works today may need adjustment tomorrow.

The advantages found in history seem to be of three kinds， as they result either from the mere situation of the climate and country or from the form of government and of the character of the people， or from those finer principles and morals， which may be called the recommendations of philosophy.

你越是试图忘记，越是记得清楚。

有两种情况，创造的圣洁之美变得耀眼夺目，它们同时发生。一种是我们感到自己对世界的不足，另一种是我们感到世界对我们的不足。