可持续性不仅是一种趋势，更是未来农业的基础。

数学中的每一个问题都是学习新东西的机会。

I don't let the world define my success.

To live outside the law, you must be honest.

We are not destroyed by what we hate， but by what we love.

And I hope you will come back here to Harvard 30 years from now and reflect on what you have done with your talent and your energy. I hope you will judge yourselves not on your professional accomplishments alone, but also on how well you have addressed the world's deepest inequities…on how well you treated people a world away who have nothing in common with you but their humanity.

科学的语言是普遍的，超越了国界和文化。

一个人并不是生来就是自己。一个人出生时带着一大堆期望，一大堆别人的想法——你必须努力去解决这一切。