The only purpose for which power can be rightfully exercised over any member of a civilized community， against his will， is to prevent harm to others.

In mathematics, the journey is often more important than the destination.

我觉得把自己比作史蒂夫·乔布斯和沃尔特·迪士尼这些我们见过的人是贬低自己。应该更像是威利·旺卡...欢迎来到我的巧克力工厂。

数学的美在于它能够简化复杂的现象。

The fight against deforestation is a fight for humanity’s future.

百世修来的缘分才能同乘一条船，千世修来的缘分才可以做同床共枕的夫妻；不求家中有贵重的金银珠宝，只愿家中的儿孙个个贤能。