《旧唐书·列传·卷八十三》
牛元翼接受命令后感情激动，就用这宝剑和玉带在军中动员，并禀报他说： 愿率军听令，竭尽我的所有力量。 
元翼承命感激，乃以剑及带令于军中，报之曰： 愿以众从，竭其死力 。
Niu Yuanyi was moved after receiving the order, and used this sword and jade belt to mobilize the army, and reported to him: I am willing to lead the army to obey orders and do my utmost.