We are punished by our sins not for them.
成功不是关于金钱或名声。它是关于做你热爱的事情并产生影响。
Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.
On pivoting: "If you're not stubborn, you'll give up on experiments too soon. And if you're not flexible, you'll pound your head against the wall and you won't see a different solution to a problem you're trying to solve."