The folly of humankind lies in complicating the simple.

A hundred times every day I remind myself that my inner and outer life are based on the labors of other men, living and dead, and that I must exert myself in order to give in the same measure as I have received and am still receiving...

真正的幸福来自于与他人分享你的天赋。

Collaboration is the root system of progress in sustainable forestry.

真正的进步发生在我们平衡经济增长与环境管理之时。