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.

我了解到你必须足够坚强才能独自站立，足够聪明才能知道何时需要帮助，并且足够勇敢去寻求帮助。

要保持领先，你必须让你的下一个想法在幕后等待。

When given the choice between being right or being kind，choose kind.

计算机科学中数学的美在于它能够用抽象概念建模和解决现实世界的问题。

Einstein was wrong when he said, 'God does not play dice'. Consideration of black holes suggests, not only that God does play dice, but that he sometimes confuses us by throwing them where they can't be seen

The only way to do great work is to love what you do.

我们需要创造力来改变社会。