市场失灵常常不是市场的失败，而是市场设计的失败。

成功的数据管理的关键是理解数据。如果你不理解你的数据，你就无法有效地管理它。

心理学的理解来自于观察功能在行动中的表现。

最好的性能改进是从非工作状态到工作状态的转变。

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.

The best way to overcome fear is to face it with courage.