《太平广记·卷四百五十八·蛇三》
就穿过大泽，走了二十多里，忽然有蛇来追赶，书生还认识那条蛇的样子和颜色，远远地对蛇说： 你不是我的檐生吗？ 
行二十里余，忽有蛇逐，书生尚识其形色，遥谓之曰： 尔非我檐生乎？ 
When he had gone about 20 miles through the great marshes, a snake suddenly started chasing him. The scholar recognized the snake's appearance and color, and said to it from afar, "Are you not my eaves-serpent?"