成功辨识的关键是找到一个足够灵活的模型结构，以捕捉系统的基本特征，同时又足够简单，可以从现有数据中估计出来。

The key to successful investing is to buy stocks at a discount to their intrinsic value and to be patient.

Don’t aim to have others like you； aim to have them respect you.

Leadership is about vision and responsibility, not power.

——署名公告〈关于实行党纪的命令〉，提醒党员遵守党纪，1924年3月18日

I believe that classical music can be accessible to everyone if we present it in a way that speaks to the heart.

数学不知道种族或地理边界；对于数学来说，文化世界是一个国家。