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I've been waiting more than 30 years to say this: "Dad, I always told you I'd come back and get my degree." I want to thank Harvard for this timely honor. I'll be changing my job next year…and it will be nice to finally have a college degree on my resume.

可持續性不是一種選擇，而是必須——如果我們想在養活不斷增長的人口的同時不破壞地球的話。

我們應兼顧短期收益和長期價值創造。

乳制品行業必須與技術一起發展，否則就有被淘汰的風險。

數學的本質在于它的自由。

Speak confidently as if you are right， but listen carefully as if you are wrong.