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.

成功是个糟糕的老师。它让聪明人认为他们不能失败。

A problem that can be solved with money is not really a problem.

I don’t want to be remembered just for my titles, but for the way I played the game.

存心养性要谦抑专一，如春天般的舒缓温和；自察反省要谨慎严格，像秋天般冷峻严肃。

The future of energy lies in diversification - of sources, technologies, and business models.

科学应该对所有人开放，无论背景如何。

计算机科学不仅仅是关于计算机的，就像天文学不仅仅是关于望远镜的。

真正的伟大在于做真实的自己。