The true opponent, the enfolding enemy, is not the Russians but their own stupidity.

不幸而又值得期待的事情是，你的人生是不会有必修课程的，全部都是选修。

I always tell people, if you want to be successful, find someone who has achieved the results you want and copy what they do and you'll achieve the same results.

NP中的每个问题都可以归约为可满足性问题，这是计算复杂性理论的基石。