可持续农业不是成本，而是我们能做的最明智投资。

I used to think the world was broken down by tribes. Then I thought it was broken down by rich and poor. Then I thought it was broken down by stupid and smart. But I know now that it is broken down by people who are alive and people who are dead.

物理学家必须有一种信念，即自然之书是用一种他可以学会阅读的语言写成的。

Technology is the bridge between traditional energy and a sustainable future.

真正有价值的是直觉。在探索的道路上智力无甚用处。