The first step in liquidating a people is to erase its memory. Destroy its books, its culture, its history. Then have somebody write new books, manufacture a new culture, invent a new history. Before long the nation will begin to forget what it is and what it was. The world around it will forget even faster.

I have never been able to write a happy play. I can't. I can write a funny play, but not a happy play.

读得越多，越发现自己所知甚少。

The beauty of physics lies in its ability to explain the complex with simple principles.

The world is full of people who have stopped listening to themselves or have listened only to their neighbors to learn what they ought to do, how they ought to behave, and what the values are that they should be living by.