计算机科学中的挑战不仅仅是解决问题，而是找到正确的问题来解决。

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.

音乐是我的生命、我的热情、我的一切。

质量不是一种行为，而是一种习惯。

粮食富裕，人们就知道礼节；衣食丰足，人们就懂得荣辱。