I went to the woods because I wanted to live deliberately. I wanted to live deep and suck out all the marrow of life. To put to rout all that was not life. And not, when I had come to die, discover that I had not lived.

计算理论的美在于其抽象和概括的能力，将具体问题转化为通用解决方案。

"We are all just walking each other home."

盖亚的概念不是一个需要验证的假设，而是一种组织事实的方式。

The power of mathematics lies in its ability to abstract and generalize.