The past is a foreign country; they do things differently there.

What I remember above all about Harvard was being in the midst of so much energy and intelligence. It could be exhilarating, intimidating, sometimes even discouraging, but always challenging. It was an amazing privilege…and though I left early, I was transformed by my years at Harvard, the friendships I made, and the ideas I worked on.

嗯，第一条规则是，如果你只是记住一些孤立的事实，然后试图把它们背出来，你是不可能真正知道任何东西的。如果事实不是挂在一个理论的格子架上，你就没有把它们变成一种可用的形式。

"We are all the same, but we are all different."