Once we realize that imperfect understanding is the human condition, there is no shame in being wrong, only in failing to correct our mistakes.

True success is not defeating others, but surpassing yourself.

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.

心理学应关注心灵如何帮助我们适应环境。

Quality means doing it right when no one is looking.

事实上，自然科学长期以来只是大脑和想象力的产物：现在是时候回归到对物质和显而易见事物的朴素而健全的观察上了。