True leadership in forestry means thinking beyond profits and considering the planet first.
林业的真正领导力意味着超越利润，首先考虑地球。
对人类来说，最可恨的事情是知道一切却无能为力。
逻辑学的研究是关于正确推理原则的研究。
你无法改变过去，但可以改变未来。
每个故事都是一次旅程，每次旅程都会改变旅行者。
The world is a mystery, and we are all detectives.
心灵是一个相互作用的感觉系统。
越是个人化的东西，越具有普遍性。
In a way, I've got some bad news, particularly to anybody who's come to Oxford from abroad. There's a real problem with snobbery, because sometimes people from outside the U.K. imagine that snobbery is a distinctively U.K. phenomenon, fixated on country houses and titles. The bad news is that's not true. Snobbery is a global phenomenon; we area global organization, this is a global phenomenon. What is a snob? A snob is anybody who takes a small part of you, and uses that to come to a complete vision of who you are. That is snobbery.