所有老人共同的大秘密是，在七八十年里，你真的没有改变。你的身体变了，但你一点都没变。

I don't think you can ever really prepare for the loss of someone you love.

The poor dream all their lives of getting enough to eat and looking like the rich. And what do the rich dream of? Losing weight and looking like the poor.

最好的科学发现往往发生在不同学科的交叉点。

我们并不缺乏交流，相反，我们有太多的交流。我们缺乏的是创造。