一棵树的真正价值是用几十年衡量的，而不是美元。

译文：我在人群中千百次地寻找他，不经意间一回头，却发现那个人站在灯火稀疏、幽暗冷清的地方。

时间是一个小偷，偷走瞬间，只留下阴影。

If you never want to be criticized， for goodness' sake don't do anything new.

Technology can be forestry's greatest ally if we use it wisely.

最基本的人类渴望是被认可为人，而最基本的人类恐惧是被视为不如人。

Sustainability isn't a cost center - it's the ultimate competitive advantage.

过去两个世纪最重要的政治发展是现代国家的崛起。

Becoming fearless isn't the point. That's impossible. It's learning how to control your fear, and how to be free from it.

最大的智慧是认识到自己的无知。