善良是幸福的关键。

解释：人有知识，犹如树木有枝叶，树木有了枝叶，能带给人阴凉，人有了知识，就可以为人民做更多的事。

Fearless is not the absence of fear. It's not being completely unafraid. It's having a lot of fears, but jumping anyway.

林业成功的真正标准是让土地比我们发现它时更健康。

真相很少纯粹，也绝不简单。