我已经履行了我的职责。我证明了庞加莱猜想，我在数学上没有什么可做的了。

The most important thing is to enjoy what you do.

The first lesson of economics is scarcity: There is never enough of anything to satisfy all those who want it. The first lesson of politics is to disregard the first lesson of economics.

世界历史就是世界的审判。

行为有未能达到预期目的者，都要反过来要求自身做得更加完善。只有自己做得正，天下才会向你倾心。

用知识和工具赋能当地社区是可持续水产养殖的基础。