《梁书·本纪·卷六》
从前国家刚刚举步艰难。兵燹集中在京城，各位诸侯王放弃自己的职位，挥袖而起前来勤王。
昔国步初屯，兵缠魏阙，群后释位，投袂勤王。
In the early days, when the nation was in a difficult situation, wars were concentrated in the capital and the feudal lords abandoned their posts, rolled up their sleeves, and came to help the king.