记忆就是对抗消失的斗争。
To remember is to fight against disappearance.
正是我们最爱的东西摧毁了我们。
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
失败是有趣的——它是进步的一部分。你从成功中学不到什么,但从失败中可以学到很多。