在寻求无法企及的事物时，简单只会阻碍。

A good world needs knowledge， kindliness， and courage； it does not need a regretful hankering after the past or a fettering of the free intelligence by the words uttered long ago by ignorant men.

"I don't have to be human to understand the value of life."

科学不仅仅是关于发现，而是关于将发现应用于人类需求。