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.
创新就是做别人没做过的事情,或是别人做过没做成的事情。
The wound is the place where the light enters you.
Never underestimate the power of a well-designed experiment.