《文心雕龙·奏启》
奏启的写作，必须整饬得合于法度，紧缩音节，抓住要害，简明轻快，有一定的文采，但不能浮夸，这就是 启 的基本要领了。
必敛饬入规，促其音节，辨要轻清，文而不侈，亦启之大略也。
The writing of Zouqi must be rectified in accordance with the law, the syllables must be tightened, the key points must be grasped, it must be concise and brisk, and it must have a certain literary style, but it must not be exaggerated. These are the basic requirements of Qi.