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.

海洋不属于我们——我们属于海洋，我们必须相应地行动。

Every stroke of the brush carries the weight of history and the lightness of possibility.