《太平广记·卷六十·女仙五》
打开那件东西，得到白绢金字写的《本际经》十卷，白色生绢长二丈左右，幅宽六七寸，文字鲜明很美，不是人工写成。
开其中，得素书《本际经》十卷，素长二丈许。幅六七寸。文明甚妙，将非人功。
When they opened up the object, they found ten volumes of <Scripture of Beginning and End>, written on white satin with golden characters. The white satin was about two "zhang" long and six or seven "cun" wide with vivid and beautiful characters which were not written by human hands.