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.

过去从未死去，它甚至从未过去。

In a rapidly changing market, the only constant is change itself, and we must learn to adapt.

Music has the power to bring people together from all over the world.