我做过的最有争议的事情就是坚持下来。
Theorems are the permanent literature of mathematics.
Every piece of plastic ever made still exists somewhere - that's not just a fact, it's our responsibility.
质量从来不是偶然的,它始终是智慧努力的结果。
我的人生哲学是:简单就是美。
The worst prison is not the one with walls and bars, but the one in our minds.