生活是一场冒险，每一个挑战都是成长的机会。

The concept of NP-completeness has provided a powerful tool for understanding the complexity of computational problems.

History is not just a record of events; it is the soul of a people, their dreams and struggles.

The most exciting moments in mathematics are when you realize that two seemingly unrelated areas are deeply connected.

诀窍是关注你周围发生的事情并继续写作。