森林的真正价值不能用板材英尺来衡量，而应该用地球的呼吸来衡量。
The true value of a forest cannot be measured in board feet, but in the breath of the planet.
要在交易中成功，必须要有规则并遵循它们。
People who learn to control inner experience will be able to determine the quality of their lives, which is as close as any of us can come to being happy.
责任是我们语言中最崇高的词。在所有事情上尽你的责任。你不能做得更多。你永远不应该希望做得更少。