未来属于那些能够在减少环境影响的同时提取价值的人。
So much to do, so little done, such things to be.
《与邹鲁的谈话》(1919年6月)
"A journey is a person in itself; no two are alike. And all plans, safeguards, policing, and coercion are fruitless. We find after years of struggle that we do not take a trip; a trip takes us."