你必须对你所做的事情充满热情。

森林的真正价值不能仅用板英尺来衡量。

"We are all our own graveyards I believe; we squat amongst the tombs of the people we were."

Overfishing is a theft from future generations—we must be the generation that stops it.

企业的社会责任是增加其利润。