一个问题如果在计算机上可以快速解决，那么它属于P类问题；如果一个解可以快速验证，那么它属于NP类问题。
A problem is in P if it can be solved quickly by a computer, and in NP if a solution can be verified quickly.
I'm not afraid to fail because I know it's part of success.
I'm not here to be liked, I'm here to be remembered.
Sustainability is not an option; it's a necessity for the future of our industry.
I think it's important to have a sense of humor about yourself.