数学家研究纯数学不是因为它有用；他研究它是因为他喜欢它，他喜欢它是因为它美丽。
The mathematician does not study pure mathematics because it is useful; he studies it because he delights in it and he delights in it because it is beautiful.
Mathematics knows no races or geographic boundaries; for mathematics, the cultural world is one country.
在你背叛别人的那一刻，你也背叛了自己。
【释义】：礼节重在相互回应。送出礼遇而对方不回应，这是不合礼数的；接受了别人的礼遇却不回报，同样也是不符合礼的要求。
To write is to resist the forces of forgetting.
"The best stories are the ones that make you feel something deeply."
The most controversial thing I have ever done is to stick around.
可持续性不是一种选择——它是我们未来的基础。
