Adaptability is the key to surviving in an ever-changing global market.

The world is a great song, and we are the singers.

相机是遇见世界现实的一种流动方式。

谋划事情无主见，就会陷入困境；做事没有准备好，容易归于失败。

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.