《后汉书·列传·铫期王霸祭遵列传》
等到光武为司隶校尉，道过颍阳，王霸请示其父，希望跟从光武。
及光武为司隶校尉，道过颍阳，霸请其父，愿从。
When Liu Xiu became the Colonel of The Commandant of Justice, he passed by Yingyang again. Wang Ba went to his father for instructions, hoping to follow Liu Xiu.