There are no second acts in American lives.
No matter who you are, no matter what you did, no matter where you've come from, you can always change, become a better version of yourself.
我们要坚持开放合作，实现互利共赢。
Give a man a fire and he's warm for a day, but set fire to him and he's warm for the rest of his life.
一个奇怪的悖论是，当我接受自己本来的样子时，我就能改变。
我没有任何特别的秘诀（用于开发新的证明）……这就是为什么做研究既具有挑战性又具有吸引力的原因。这就像在丛林中迷路，试图利用你能收集到的所有知识来想出一些新的技巧，并且如果运气好的话，你可能会找到出路。
I don't have any particular recipe [for developing new proofs] ... It is the reason why doing research is challenging as well as attractive. It's like being lost in a jungle and trying to use all the knowledge that you can gather to come up with some new tricks, and with some luck you might find a way out.