The truth is, we know so little about life, we don't really know what the good news is and what the bad news is.
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。
We're not trying to preach, we're just trying to teach.
实际上,你要抑制自己的野心,这样你才能成为你应该成为的人。
The things we own are the things that own us.