A miner's skill and dedication are just as valuable as the coal they bring to the surface.

I love people who make me laugh. I honestly think it's the thing I like most, to laugh. It cures a multitude of ills. It's probably the most important thing in a person.

Innovation is not just about creating something new; it's about making a difference in people's lives.

Happiness is not something ready made. It comes from your own actions.

任务必须是困难的，因为只有困难才能激发高尚的心灵。

控制愤怒的情绪如同摧毁山峦般坚毅，又如救火一样迅疾；压制欲望如同填塞山谷一样有毅力，又如防洪一样果断。

The P versus NP problem is one of the most important problems in computer science.