The only thing more dangerous than ignorance is arrogance.

真正的领导力意味着做出今天艰难的决定，这些决定将在几十年后获得回报。

Every mathematical problem is a window into a deeper understanding of the world.

I think the reason why I am who I am today is because I went through those tough times when I was younger.

过去是一个我们永远无法返回的国家，但它的边界我们总是在跨越。