企业的目的是创造价值，而不仅仅是盈利。

建筑师必须是远见者和实用主义者。

The best way to understand labor markets is to look at real-world data, not just theoretical models.

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.