《太平广记·卷三百八十七·悟前生》
后来刘三复骑马时，遇到坚硬而贫瘠的土地，必然放慢速度，如果遇到石头多的道路，必然下马步行。
后三复乘马，硗确之地，必为缓辔，有石必去之。
Later on, when Liu Sanfu rode a horse, he would certainly slow down when he encountered hard and barren land, and when he encountered a rocky road, he would definitely get off the horse and walk.