《宋史·列传·卷六十九》
王曾下令晚上打开里门，有胆敢说妖者马上逮捕，最终无妖怪。
曾令夜开里门，敢倡言者即捕之，卒无妖。
Wang Zeng ordered the inner gate to be opened at night, and anyone who dared to speak of a demon would be arrested immediately. In the end, there was no demon.