"In a world that's changing really quickly, the only strategy that is guaranteed to fail is not taking risks."

希望好像一个家庭，没有它，你会觉得生活乏味；有了它，你又觉得天天为它辛劳，是一种烦恼。

物理学家必须有一种信念，即自然之书是用一种他可以学会阅读的语言写成的。

"We are all in the gutter, but some of us are looking at the stars."

过去总是与我们同在，因为它滋养着现在。