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.

Experimentation is the key to discovering new possibilities.

乐观是一种工具，你可以用它来实现你为自己设定的目标。

表演不是要成为不同的人。它是在明显不同的事物中找到相似之处，然后在那里找到自己。