生活是一场冒险，或者它根本不值得一活。
Life is either a daring adventure or nothing at all.
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.
记忆是编织民族历史的线，没有它，我们将注定重复同样的错误。