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.

出自汉·桓宽《盐铁论·国疾》。谀言，阿谀奉承的话。这句话以林中必然多疾风为喻，说明富贵之后就有趋炎附势之徒进阿谀奉承之言的必然性。释义：森林中往往刮大风；富贵人面前往往都是一堆奉承话。

一辈子不要做对不起人的事，世上就不会有恨自己的人。

最好的领导者是那些知道如何跟随的人。

唯一真正的智慧是知道你一无所知。