在座各位都拥有许多天赋。我确信你们的天赋之一就是拥有精明能干的头脑。之所以如此确信，是因为入学竞争十分激烈，如果你们不能表现出聪明智慧，便没有资格进入这所学校。
This is a group with many gifts. I'm sure one of your gifts is the gift of a smart and capable brain. I'm confident that's the case because admission is competitive and if there weren't some signs that you're clever， the dean of admission wouldn't have let you in.
真正的进步来自于经济增长与生态责任的平衡。
It is one thing to show a man that he is in an error, and another to put him in possession of truth.
向一个人展示他在错误中是一回事，让他掌握真理是另一回事。
The whole art of teaching is only the art of awakening the natural curiosity of young minds for the purpose of satisfying it afterwards.
Every tyrant who has lived has believed in freedom--for himself.
可持续农业不是成本，而是我们能做的最明智投资。
At the end of the day it's not about what you have or even what you've accomplished... it's about who you've lifted up, who you've made better. It's about what you've given back.