大多数人害怕变化，但如果你把它看成是某种你总是可以依赖的东西的话，那它就能成为一种安慰。世上你能依赖的东西并不是很多。
Most people are afraid of change, but if you look at it like it's something that can always count on, then it can be a comfort．It doesn't have many things that you can count on．
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
数学不是关于数字、方程、计算或算法的：它是关于理解的。
根据自然法，人生而自由。
我不是为了纪录而比赛。我打球是因为我热爱这项运动。