我表演不是为了逃避现实；我表演是为了更好地理解它。

If you're not failing every now and then, you're not doing anything very innovative.

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.

解释：身居高位的人容易骄纵自满，处于安乐生活中的人容易奢侈。

Profit without purpose is chemistry without catalysts - possible, but painfully slow and inefficient.

每个单子都是一个中心，无限地体现了周围的宇宙。