森林的真正价值不能仅用板材英尺来衡量。

The world is a puzzle, and we are the missing pieces.

The poverty of our century is unlike that of any other. It is not, as poverty was before, the result of natural scarcity, but of a set of priorities imposed upon the rest of the world by the rich.

可持续性不是一种趋势，而是我们共同的责任。

悲伤是私人的事。它需要多久就会持续多久。