成功是相对的：它是我们对自己制造的混乱所能做出的补救。

不要担心别人会做什么。预测未来的最好方法就是创造未来。

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.