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。
Every problem in NP can be reduced to the satisfiability problem, which is the cornerstone of computational complexity theory.
Success is not just about reaching the top; it's about lifting others as you climb.
The mind is a biological problem-solving device.
预测未来的最好方法就是创造未来。
幸福不是现成的东西。它来自你自己的行动。
阅读好书，就如同与过去几个世纪中最杰出的人物交谈。