《晋书·列传·第十三章》
当时齐王司马同有恢复皇室的功劳，因而专权自任，公卿都对他行拜礼，惟独王衍对他行拱手礼。
时齐王乂有匡复之功，而专权自恣，公卿皆为之拜，衍独长揖焉。
At that time, Qi Wang Sima Tong had contributed to the restoration of the imperial family, so he held all the power, and the Duke and the Lord all bowed to him, except Wang Yan, who bowed to him.