一个民族的历史,本质上是其统治阶级的历史。
The history of a nation is, in essence, the history of its ruling class.
人心比山川更险恶,比了解天象更困难。
记忆是一种责任,而不是负担。
Sometimes the most profound mathematics comes from playing with simple ideas until they reveal their hidden complexity.
我认为如果你做了某件事,结果还不错,那么你应该去做其他精彩的事情,不要停留太久。只要弄清楚下一步是什么。