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.

美是一封能打开所有心灵的推荐信。

Literature is the exploration of what it means to be human.

Recursion is the root of computation since it trades description for time.

真正的进步来自于行业和环保人士的合作，而非对立。