I think it's merely the randomness of the winning and losing process that I want to stress, because the emphasis nowadays is so much on the justice of everything, and politicians always talk about justice. Now I'm a firm believer in justice, I just think that it's impossible. So we should do everything we can to pursue it, but we should always remember that whoever is facing us, whatever has happened in their lives, there will be a strong element of the haphazard. That's what I'm trying to leave room for; otherwise, it can get quite claustrophobic.

The past is a foreign country; they do things differently there.

我是个战士，我相信积极和努力的力量。

多项式时间归约的概念对于理解NP完全问题的结构至关重要。

"We are all in the gutter, but some of us are looking at the stars."