《左传·襄公·襄公七年》
叔孙穆子相礼，快步进入，说： 诸侯会见，寡君从来没有走在卫君后面。
叔孙穆子相，趋进曰： 诸侯之会，寡君未尝后卫君。
Shu-sun Muzi, assisting in the ceremonies, hurried in, saying: When the princes met each other, your servant never followed behind the ruler of Wei.