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.

别让失败定义你，让它们教会你。

拍卖是发现价值的强大工具。

海洋养育了数百万人，我们的责任是确保它能为子孙后代继续这样做。

高分子化学的引入开辟了一个新的材料世界，其性质和应用仍远未被充分探索。

书籍是反映我们潜力的镜子。