恐龙灭绝是因为它们没有太空计划。如果我们因为没有太空计划而灭绝，那是我们活该！

我不是国王，我不是神，我只是一个试图理解这个世界的人。

I'm comfortable with who I am and what I do. I know what I bring to the table.

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.

【释义】：礼节重在相互回应。送出礼遇而对方不回应，这是不合礼数的；接受了别人的礼遇却不回报，同样也是不符合礼的要求。