《太平广记·卷一百一十一·报应十》
等到夜深了，船上的人都睡了，成珪就拆掉钉子，从船上跳到船顶。
伺夜深，舟人尽卧，珪乃拆所钉。拔除出船背。
When the night was deep and everyone on the ship was asleep, Cheng Gui removed the nails and jumped from the boat to the top of the boat.