The most important single aspect of software development is to be clear about what you are trying to build.
对于音乐家而言,最必要的,最重要的,最主要的,最本质的事情是:知道他想要什么,他能做什么,以及他应该做什么。
Government, even in its best state, is but a necessary evil; in its worst state, an intolerable one.