《晋书·列传·第十五章》
龙降在夏朝的庭院中，涎沫不止，算卦说把它藏起来。到周幽王，灾难发生。
龙降夏庭，沫流不禁，卜藏其漦，至周幽王，祸衅乃发。
When a dragon descended on the courtyard of the Xia Dynasty, its saliva would not stop; divination indicated that they should hide it. When Zhou You Wang arrived, calamity struck.