上士闭心，中士闭口，下士闭门。
对于非礼的事，上等到的士人根本不想；对于非礼的事，中等的士人从来不说；对于非礼的事，下等的士人紧闭门户。
The true power of a writer lies in their ability to make the reader see the world through their eyes.
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。
我所知道的关于不朽生命的最佳论据是存在一个值得拥有不朽生命的人。
领导者的角色不是拥有所有的答案，而是提出正确的问题。
The only way to do great work is to love what you do.
I'm interested in the way we see things, which is always changing.
