写作是一次进入未知的旅程，一次对真理和美的追求。

一个问题如果在计算机上可以快速解决，那么它属于P类问题；如果一个解可以快速验证，那么它属于NP类问题。

The goal of software architecture is to minimize the amount of knowledge you need to have in order to build a system.

丰田生产系统是通过消除浪费来节约资源的框架。

"The key is not to get too high when things are going well and not too low when things are going bad."