《太平广记·卷三百二十一·鬼六》
前面是条河，定伯让鬼先过河，鬼过去了，一点也听不见有水声。
道遇水。定伯令鬼渡，听之了然无水音。
In front of them was a river. Ding Bo asked the ghost to cross the river first. The ghost crossed, and you couldn’t hear a single sound of water.