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

The striving to find a meaning in one's life is the primary motivational force in man.

数学的本质在于它揭示模式和对称性的力量。

In the fight between you and the world, back the world.

知识就是力量，但学习是超能力。

We are all translators of our own experiences, turning the raw into the meaningful.

我只希望在自己衰老前退休，否则我只会成为累赘。