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.
The evening is the time of day when the light is most beautiful, but it’s also the time when it starts to fade.
I'm not interested in playing the hero. I'm interested in playing the human.
Innovation in forestry means balancing technology with tradition to create solutions that last.
When you forgive others, they may not notice, but you will heal. Forgiveness is not something we do for others; it is a gift to ourselves.
只要符合自然法则，再奇妙的事情也可能是真实的。
我以打高尔夫为生。你还能要求什么呢——做自己喜欢的事还能得到报酬。