《宋史·志·卷四》
不出现，是官吏失去礼法；占撩正常，就吉利；微小暗淡，阴阳不调和。
不见，为主失礼；守常，则吉；微暗，阴阳不和。
Do not appear, the officials will lose their etiquette; If it shines regularly, it will be lucky; If it is slightly dim, yin and yang are not in harmony.