The most expensive thing in the world is trust. It can take years to earn and just a matter of seconds to lose.

AdS/CFT对应是理解量子引力的有力工具。

勇气不是没有恐惧，而是战胜恐惧。

我们今天种下的每一粒种子都是对后代的承诺。

The theory of computation provides a foundation for understanding what can and cannot be computed.

The key to trading success is to have a plan and stick to it.

科学人应当没有愿望、没有情感，只剩一颗如石之心。