《太平广记·卷三百八十一·再生七》
忽然听见屋中象雷鸣一样声音，片刻又有红色的气团象鼓一样，旋转到床前。腾空而上，到中间又停住。
忽觉室中雷鸣，顷有赤气如鼓，轮转至床，腾空上，当心而住。
Suddenly he heard a sound like thunder in the house. A moment later, there was a ball of red gas like a drum, spinning and whirling in front of the bed. It rose into the air and paused in the middle.