我们不是从祖先那里继承森林,而是向子孙借用。
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.
科学的发展既需要个人的努力,也需要社会的支持。
Financial innovation is like fire - it can be very useful, but it needs to be contained.