《太平广记·卷五十·神仙五十》
于是独自一人步行奔回抵达蓝桥，昔日那个老妇人大笑着说： 有如此讲信用的人吗？
遂步骤独挈而抵蓝桥。昔日妪大笑曰： 有如是信士乎？
Then, he walked by himself to Lanqiao, and the old woman from before laughed and said, “Could there be someone this creditworthy?”