《韩非子·难四》
鲁卿叔孙穆子快步上前对孙文子说： 各国诸侯聚会，敝国君主从来没有列在卫君后面。
叔孙穆子趋进曰： 诸侯之会，寡君未尝后卫君也。
State of Lu Qing Shusun Muzi quickly stepped forward and said to Sun Wunzi: The princes of various countries gathered, and my monarch has never been behind the monarch of Wei.