Science cannot solve the ultimate mystery of nature. And that is because, in the last analysis, we ourselves are part of nature and therefore part of the mystery that we are trying to solve.
过去从未真正消失；它在我们讲述的故事中继续存在。
In the end, we will remember not the words of our enemies, but the silence of our friends.
The mind is not a vessel to be filled, but a fire to be kindled.