《明史·志·卷三十九》
黄河水清海水平，麒麟出现凤凰鸣，阴阳永和平，辅我得文明。
河清海宴，麟来凤鸣，阴阳永和平，相我文明。
The Yellow River is clear and the sea is level, the unicorn appears and the phoenix sings, the yin and yang are eternally peaceful, and help me to gain civilization.