《汉书·传·西南夷两粤朝鲜传》
汉朝使者到了夜郎，夜郎侯也是这样问。这些王侯都自以为是一州之王，一点不知道汉朝疆域的广大。
及夜郎侯亦然，各自以一州王，不知汉广大。
When the envoy of the Han Dynasty arrived at Yelang, King of Yelang asked the same question. All these kings thought themselves as the king of a state and had no idea of the vast territory of the Han Dynasty.