我希望，30年后你们还会再回到哈佛，想起你们用自己的天赋和能力所做出的一切。我希望，在那个时候，你们用来评价自己的标准，不仅仅是你们的专业成就，而包括你们为改变这个世界深刻的不平等所做出的努力，以及你们如何善待那些远隔千山万水、与你们毫不相干的人们，你们与他们唯一的共同点就是同为人类。
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 predict the future is to invent it.
我不是数学的英雄。我甚至没有那么成功；这就是为什么我不希望每个人都看着我。
Learning consists in the modification of certain mediating processes which operate between the stimulus and the response.
The truth is often stranger than fiction.
绩效标准必须是零缺陷。不是“差不多就行了”。