最好的林业实践是那些不留痕迹但改变一切的做法。
The best forestry practices are those that leave no trace but leave everything changed.
The greatest gift you can give someone is your time.
数学和计算机科学之间的联系不是单向的；每个领域都丰富了另一个领域。
真正的领导力是为他人服务，而不是为自己。
I'm very proud to be black, but black is not all I am. That's my cultural historical background, my genetic makeup, but it's not all of who I am nor is it the basis from which I answer every question.
"Maybe you can afford to wait. Maybe for you there’s a tomorrow. Maybe for you there’s one thousand tomorrows, or three thousand, or ten, so much time you can bathe in it, roll around it, let it slide like coins through your fingers. So much time you can waste it. But for some of us there’s only today. And the truth is, you never really know."