Happiness is not something ready made. It comes from your own actions.
幸福不是现成的东西，它来自于你自己的行动。
In computational complexity, we are not just dealing with the limits of what we can compute, but also with the limits of what we can prove.
组合数学就像是不用实际计数的计数艺术。
我们并不拥有这片景观——我们只是从后代那里借来的。
"Success is a lousy teacher. It seduces smart people into thinking they can't lose."