科技以我们从未想象过的方式连接了我们，但它也使我们与真正的人际关系疏远。

The human body is the best picture of the human soul.

The great challenge of our time is to create a world order that is both just and sustainable.

Now, the opposite of a snob is your mother.

图书馆里充满了思想——也许是最危险和最强大的武器。