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：它是关于理解的。
Duty is the most sublime word in our language. Do your duty in all things. You cannot do more. You should never wish to do less.
I'm not a pop star. I'm a performance artist.
What we do today will determine the climate for centuries to come.
当数据和直觉共同作用时，才能做出最佳决策。