有时候最难写的故事是那些最贴近你内心的故事。
"Sometimes the hardest stories to write are the ones closest to your heart."
The difference between good and great is the extra effort.
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.