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。
The more we understand individual things， the more we understand God.
To me, fearless is not the absence of fear. It's not being completely unafraid. To me, fearless is having fears. Fearless is having doubts. Lots of them. To me, fearless is living in spite of those things that scare you to death.
一切迄今为止社会的历史都是阶级斗争的历史。
The Olympic Games are for the world and all nations must be admitted to them.
The interplay between topology and quantum mechanics is a rich field of study that continues to surprise us with its depth and complexity.
I believe that we are lost here in America, but I believe we shall be found.
In the end, we are all just trying to find a place where we belong.
I don't want to paint people who are just sitting there like models. I want to paint the actual person.