《论衡·卷五·异虚篇》
这样看来野鸡的吉凶还不能知道，那么桑树与穀树的善恶也不可能验证。
然则雉之吉凶未可知，则夫桑谷之善恶未可验也。
From this perspective, we cannot know whether wild chickens are auspicious or not, the good or bad of mulberry trees and elm trees is also not possible to verify.