《太平广记·卷十·神仙十》
有个姓张的书生跟李仲甫学隐身术，李仲甫嫌他性子太急，不教给他。
有书生姓张，从学隐形术，仲甫言卿性褊急，未中教。
A scholar surnamed Zhang studied invisibility with Li Zhongfu, but Li Zhongfu thought he was too impatient and refused to teach him.