《梁书·列传·卷十三》
当时王侯到东宫参见太子，有的还不能获准入内，这垫常说起此事。
当时王侯到宫，或不得进，约每以为言。
At that time, princes and marquises went to the East Palace to greet the Crown Prince, and some of them were not yet allowed to enter the palace, which Dianchang often talked about.