If you want to build a great enterprise, you have to have the courage to dream great dreams.

Life is pleasant. Death is peaceful. It's the transition that's troublesome.

我是自由的，那就是我迷失的原因。

音乐是我的生命，生命是我的音乐。

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.