Harmony of yin and yang: the sense of righteousness and harmony after seeing Yao and Shun. It means: a wise monarch can make yin and yang harmonious and educate the world fairly, but this wise monarch must have virtue around him to influence women in all directions, and then a situation like Yao and Shun in history can make the world peaceful.

Harmony of Yin and Yang: the harmony of the world.

Kun: Women.

Yao Shun: Two Best Sages in the History of Governing the Country.

Say the image of 5 1 in the tuibei diagram.