Never think that war, no matter how necessary, nor how justified, is not a crime.
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。
在量子力学中，观察的行为会改变被观察的系统。
The best leaders are those who listen, learn, and then lead.
I think it's important to have a sense of humor about yourself.
I think about the space between the body and the world.