《论衡·卷二十四·讥日篇》
办事情时禁忌书上说凶，人们就害怕凶祸会有应验；说吉，人们就希望吉祥有应验。
举事曰凶，人畏凶有效；曰吉，人冀吉有验。
When people do things, if the taboo book says it is ominous, they will be afraid that the disaster will come true; if it says auspicious, people will hope that the good luck will come true.