要成为一个好的数学家，你需要既有直觉又有严谨。
To be a good mathematician, you need to have both intuition and rigor.
做大事和做小事的难易程度是一样的。所以要选择一个值得追求的宏伟目标，让回报与你的努力相匹配。
I don't want to be alone, I want to be left alone.
We are all alone in the universe, and the only thing that can bridge the gap between us is love.