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。

书，是文字的总扩展。

When you get an invitation to do something in the future， ask yourself: would you accept this if it was scheduled for tomorrow？ Not too many promises will pass that immediacy filter.

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.

"The most beautiful people we have known are those who have known defeat, known suffering, known struggle, known loss, and have found their way out of the depths."

真正的成功来自建立关系，而不仅仅是交易。

农业的未来在于数据驱动的决策。

跨行业合作是解决我们在能源和气候方面面临的复杂挑战的关键。

I don’t believe in an afterlife. This is it. Make the most of it.