唯一真正的快乐来自于为一个目的挥霍自己。

Profit and purpose are not opposites; they must go hand in hand.

他人的目光是我们的牢笼；他们的想法是我们的囚笼。

The time which we have at our disposal every day is elastic; the passions that we feel expand it, those that we inspire contract it.

林业实践的创新是平衡经济增长与环境保护的关键。

有时看前来像是解决方案比问题多。仔细观瞧，今天的很多问题都是昨天的解决方案带来的结果。