The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.
We all owe death a life.
I don’t compete with others, I compete with myself.
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：它是关于理解的。
我不相信幸福的结局。