Integration is better than implementation 外部集成优于内部实现
Make extensive use of existing libraries – DevIL, Tcl, Lua, Python, TinyXML, D3DX, SQLite… 大量使用已有的库
Throwing away source code can be good 扔掉源代码更好
Modular architecture supports high source code fluctuation 使用模块化架构来支持源代码快速改变
When in doubt, throw away and rewrite 拿不准时，扔掉再重写
Prevent unmaintainable code 预防无法维护的代码
Small is beautiful 小一点，好一点
Clear restriction to rendering, audio, input, resource management, scenegraph management: Nebula is not a game framework – check Mangalore. 对界面呈现、声音、输入、资源、背景图片的使用上都有明确的约定：Nubula不是一个游戏框架，参见Mangalore
New Nebula releases often have less source code then their predecessors 每一次发布都比上一次代码量更少
