《太平广记·卷二百零一·才名（好》
见李白相貌不凡，并请李白拿出诗作拜读。李白取出《蜀道难》给贺知章。
既奇其姿，又请所为文，白出《蜀道难》以示之。
Seeing that Li Bai is not an ordinary person, and ask Li Bai to take out his poetry and read it. Li Bai took out "The Difficulties of Shu Road" and gave it to He Zhizhang.