希望是美好的，也许是人间至善，而美好的事物永不消逝。
未来属于敢于梦想并付诸行动的人。
【译文】具体事务分散在地方，决策核心集中于中央。
在比赛中你必须相信自己的直觉，但也要从每一个错误中学习。
面对气候变化，石油和天然气行业必须进化，否则将面临被淘汰的风险。
And I hope you will come back here to Harvard 30 years from now and reflect on what you have done with your talent and your energy. I hope you will judge yourselves not on your professional accomplishments alone, but also on how well you have addressed the world's deepest inequities…on how well you treated people a world away who have nothing in common with you but their humanity.