可持续性不仅仅是植树，而是在正确的地方种植正确的树木，并确保它们世代繁茂。

抽象的目的不是模糊，而是创建一个新的语义层次，在这个层次上可以绝对精确。

合作是林业进步的根源——没有任何一个实体能独自解决这些挑战。

The great secret that all old people share is that you really haven't changed in seventy or eighty years. Your body changes, but you don't change at all. And that, of course, causes great confusion.

Strategy is about setting yourself apart from the competition. It's not a matter of being better at what you do – it's a matter of being different at what you do.