时间并不存在。对于河水来说，只有当下。没有过去，没有未来。

You have to fight through some bad days to earn the best days of your life.

Sometimes it's the journey that teaches you a lot about your destination.

A strong team is the foundation of any successful business.

煤炭行业必须进化，否则就有被淘汰的风险。适应是生存的关键。

想要画成方形或圆形就要遵循圆规和矩尺的法则，那么万事的功效就能显现出来。

P与NP问题是计算机科学中最重要的未解决问题之一。