《太平广记·卷五十五·神仙五十五》
譬如骑劣马，人落下马来，脚还穿在马镫里。非理伤堕相等。
譬如骑恶马，落马足穿镫，非理伤堕一等。
<number>. For example, a person riding a poor horse falls off the horse, his feet are still caught in the stirrups. Not logical, just like the situation of falling off a horse.