《太平广记·卷二百二十四·相四》
唐朝有位李参军，擅长相看手板，能够从手板上预测出吉凶祸福，而且每次都很灵验，大家都称他为李相笏。
唐李参军者善相笏，知休咎必验，皆呼为李相笏。
There was a Li Canjun in the Tang Dynasty who was good at looking at handboards. He was able to predict good or bad luck from the handboards, and it was always very effective. Everyone called him Li Xiangyu.