最好的故事是那些可以一遍又一遍阅读,并带来不断增加的愉悦感的故事。
我们生产的每一桶石油都应着眼于最小化我们的足迹。
There is more beauty than our eyes can bear.
合作是解决世界上最紧迫问题的关键。
负责任的林业不是限制进步,而是重新定义进步的含义。
Lock up your libraries if you like; but there is no gate, no lock, no bolt that you can set upon the freedom of my mind.
I don't think you can ever be too prepared.
Challenges are opportunities in disguise; embrace them with courage and creativity.