真相并不美丽，但它是必要的。

企业要勇于担当，在保障国家能源安全中发挥主力军作用。

故事是我们记住自己是谁的方式。

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.