写作就是重写。
A good mathematician is lazy, but in a constructive way.
就像虎的外形好画,虎的骨骼难画一样,人的外表好认,人心却难了解。
我从未停止学习和进步。
The boundaries which divide Life from Death are at best shadowy and vague. Who shall say where the one ends, and where the other begins?