Everything is a learning process: any time you fall down, you get up and you learn from it.

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.

历史不仅仅是关于国王和战争——它是关于那些经历过它的人们。

To create is to give life to something that did not exist before.

普通城市是从中心的囚禁中解放出来的城市，从身份的束缚中解放出来。