Every problem in NP can be reduced to the satisfiability problem, which is the cornerstone of computational complexity theory.

Leadership means having the courage to make tough decisions today for a better tomorrow.

纸的未来不是取代数字；而是共存并互相增强。

去爱就是冒着不被爱的风险。去希望就是冒着痛苦的风险。去尝试就是冒着失败的风险，但必须冒险，因为人生最大的危险就是不去冒险。

The spirit of man is more important than mere physical strength, and the spiritual spark in man can be fanned into flame.

无论我们面对平静的大海还是波涛汹涌的大海，尤其是当市场风暴在我们周围呼啸而过时，勇于坚持下去，是成功投资者的典型特征。