《太平广记·卷四百七十六·昆虫四》
胡人说： 我每天早晨看到宝气连着天空，位于太学中，所以我特意拜访您以便找到它。
胡人曰： 吾每旦见宝气亘天，在太学中。故我特访而取之。
The Hu people said: Every morning I saw the treasure air connected to the sky, located in Taixue, so I specially visited you to find it.