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.

对物品过于在意会毁了你。只是——如果你足够在意某样东西，它就会拥有自己的生命，不是吗？而美丽的东西的全部意义——不就是它们将你与某种更大的美联系起来吗？

我们致力于通过创新技术创造一个更清洁、更绿色的未来。

It’s not about any one person. You’ve got to get over yourself and realize that it takes a group to get this done.

那只是我的一小步，却是人类的一大步。

Philosophy is a battle against the bewitchment of our intelligence by means of language.