The more I learn, the more I realize how much I don’t know.

The more you dwell in the past, the less you prepare for the future.

世界是一本书，不旅行的人只读了一页。

政策规则优于自由裁量，因为它们消除了时间不一致性问题。

Leadership is about making others better as a result of your presence and making sure that impact lasts in your absence.

【译文】三个人在一起走路，其中一定有可以作为我老师的人。选择他的优点向他学习，对于他的缺点，就反省自己加以改正。