归根结底，如果我能说我玩得开心，那就是美好的一天。

"Truth is not found in the light, but in the shadows we're afraid to explore."

这些人很少不是死于自己的所长，所以说∶事业达到顶峰就难以持久。 

You are not only responsible for what you say, but also for what you do not say.

学习数学的最好方法就是做数学。