你必须说，我是那个要做出改变的人。

I keep thinking about this river somewhere, with the water moving really fast. And these two people in the water, trying to hold onto each other, holding on as hard as they can, but in the end it’s just too much. The current’s too strong. They’ve got to let go, drift apart.

The mathematics of the universe is written in the language of geometry.

牛毛细雨，瓢泼大雨，横扫的暴雨。

The string is a stark data structure and everywhere it is passed there is much duplication of process. It is a perfect vehicle for hiding information.