《论衡·卷十七·指瑞篇》
人们见凤凰、麒麟很少出现，就说它们存在于边远地区，看到它们正巧在太平的时候出现，就说它们是为圣王而出现的。
人见凤、驎希见，则曰在外国；见遇太平，则曰为圣王来。
Since people seldom see Phoenixes and Qilins, they say that they exist in remote areas, and when they happen to see them when there is peace, they say that they appeared for the sake of the Saintly King.