数学不仅仅是关于数字、方程、计算或算法：它是关于理解的。
Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.
The best way to be successful is to be patient.
The less I know about other people's affairs, the happier I am.
一个人的心是只服从他自己的，你想束缚它，结果却释放了它；如果让它自由自在的话，你反而把它束缚得紧紧的了。