人心难测，表面友善的人，内心未必真诚。  

We are at a unique stage in our history. Never before have we had such an awareness of what we are doing to the planet, and never before have we had the power to do something about it.

耐心是交易中的美德；不要急于做出决定。

故事是承载思想的工具，而不是相反。