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.
权力不会腐蚀。恐惧会腐蚀……也许是对失去权力的恐惧。
The nose of a mob is its imagination. By this, at any time, it can be quietly led.
我不需要英雄，我自己就是英雄。