工程师是创造未来的人。他们是改变世界的人。

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.

我写歌的时候，常常忘记时间。

真正的领导力在于做出今天艰难的决定，造福子孙后代。

海洋养育了数十亿人，我们有责任在开发其潜力的同时保护它。