一个人应该经常考虑他拥有的比他想要的多多少。
The major credit I think Jim and I deserve... is for selecting the right problem and sticking to it.
我认为我和吉姆值得称赞的主要原因是...选择了正确的问题并坚持研究它。
The space between buildings is as important as the buildings themselves.
It really matters whether people are working on generating clean energy or improving transportation or making the Internet work better and all those things. And small groups of people can have a really huge impact.