计算复杂性的概念不仅仅是我们能计算多快，还包括理解什么是可以计算的极限。
The concept of computational complexity is not just about how fast we can compute, but also about understanding the limits of what can be computed.
The Tesla Roadster… it’s a two-seater sports car， very high performance…In fact， it’s beat any Ferrari or Aston Martin in acceleration.And it has more than twice the energy efficiency of a Prius.
我是世界上最幸福的人。也许其他人以前说过这样的话，但没有一个说得那么有道理。我甚至比简还要快乐；她只是微笑，我是大笑。
I’m intimidated by the fear of being average.
诗歌没有边界，是一种跨越时空连接灵魂的通用语言。
