"The power of a story lies in its ability to transport us to another world, to make us feel, to make us think, and to make us grow."

Your smarts will come in handy because you will travel in a land of marvels. We humans -- plodding as we are -- will astonish ourselves. We'll invent ways to generate clean energy and a lot of it. Atom by atom， we'll assemble tiny machines that will enter cell walls and make repairs. This month comes the extraordinary but also inevitable news that we've synthesized life. In the coming years， we'll not only synthesize it， but we'll engineer it to specifications. I believe you'll even see us understand the human brain. Jules Verne， Mark Twain， Galileo， Newton -- all the curious from the ages would have wanted to be alive most of all right now. As a civilization， we will have so many gifts， just as you as individuals have so many individual gifts as you sit before me.

在数学中，你并不理解事物。你只是习惯了它们。

当公共领域被剥夺作为民主空间运作的能力并被简化为市场驱动的领域时，民主开始失败，政治生活变得贫瘠。

The value or worth of a man is, as of all other things, his price; that is to say, so much as would be given for the use of his power.

如果你收养了一只饥饿可怜的狗，并且让它舒适顺利，它将不会咬你，这便是一个人与一只狗之间最主要的差别。