Change is inevitable; how you respond defines your success.

教师的任务不是灌输事实，而是将学习的主题放在学习者面前，并通过同情、情感、想象和耐心，唤醒学习者对答案和洞察力的不懈追求，这些答案和洞察力能够扩大个人生活。

光的质量就是空间的质量。

最终，我们将记住的不是敌人的话语，而是朋友的沉默。

We are all different, but we share the same human spirit. Perhaps it's human nature that we adapt and survive.

I don't have any particular recipe [for developing new proofs] ... It is the reason why doing research is challenging as well as attractive. It's like being lost in a jungle and trying to use all the knowledge that you can gather to come up with some new tricks, and with some luck you might find a way out.