当混凝土捕捉到光线时，它可以像木头一样温暖。

我总是被复杂和有缺陷的角色所吸引，因为那正是使他们成为人类的原因。

能够弯曲的心灵是幸运的，因为它永远不会破碎。

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.