Agriculture is the foundation of manufactures, since the productions of nature are the materials of art.

可持续性不是成本；而是对我们共同未来的投资。

So that morning in 1962 I told myself: Let everyone else call your idea crazy . . . just keep going. Don’t stop. Don’t even think about stopping until you get there, and don’t give much thought to where “there” is. Whatever comes, just don’t stop.