I think that in mathematics, and maybe in life, you have to be willing to be a little bit lost.

译文：如果要取得良好的人缘，赊给别人的东西不要收钱。赏析：要想赢得别人的尊重，我们有时要看淡身外之物。重视钱财但能看破钱财，不与小人争利，不失为君子一枚。

出自汉·桓宽《盐铁论·后刑》。锄去田里有害的杂草，禾苗就可以健康地生长；惩罚为非作歹的恶人，百姓就会感到喜悦。

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.