我们根据世界对生存的效用性来感知它。
We perceive the world in terms of its utility for our survival.
我不是英雄,我不是反派,我只是黑暗中的一个声音。
I don't want to be a celebrity. I want to be a memory.
史记
The most important single aspect of software development is to be clear about what you are trying to build.