诗歌是人类存在的唯一具体证明。

Money is not the only answer, but it makes a difference.

Natural selection has shaped our minds as well as our bodies.

We are just beginning to understand the potential of genome editing—and the questions it raises.

You have to believe in yourself when no one else does.

Words are all we have.

I think goals should never be easy, they should force you to work, even if they are uncomfortable at the time.