We are all in the gutter, but some of us are looking at the stars.
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。
大脑是一个复杂而动态的系统,理解它需要多学科的方法。
Do what you can, with what you have, where you are.