大萧条是二十世纪的决定性宏观经济事件，它引发了对宏观经济理论和政策的根本性重新思考。

导演必须是幻觉的大师，创造出比现实本身更真实的现实。

"Writing is a way to make sense of our dreams."

Separate the processes of creation from improving. You can’t write and edit， or sculpt and polish， or make and analyze at the same time. If you do， the editor stops the creator. While you invent， don’t select. While you sketch， don’t inspect. While you write the first draft， don’t reflect. At the start， the creator mind must be unleashed from judgement.

0时代，数据就是新的石油，算法就是新的引擎。