想象力是打开可能性之门的钥匙。

"We must constantly challenge our assumptions and be willing to change our minds."

写作是一种乐观的行为。如果你觉得它不重要，你就不会费心去做。

Purchase the most recent tourist guidebook to your home town or region. You’ll learn a lot by playing the tourist once a year.

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.

正因为当初对未来做了太多的憧憬，所以对现在的自己尤其失望。生命中曾经有过的所有灿烂，终究都需要用寂寞来偿还。