现在是一个转瞬即逝的时刻，而过去是永恒的。

能源的未来是多样化的，没有任何单一来源会占主导地位。

There are two ways to write error-free programs; only the third one works.

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.

"The past is always with us, and it shapes who we are and how we see the world."