What kind of existence is metaphysics that can actually become an official science?

Metaphysics is a branch of Taoism. At the beginning, metaphysics came from the mysterious and mysterious Tao in Laozi’s Tao Te Ching. Tao can be Tao, but it is not Tao. Lao Tzu himself could not express it in ordinary words. Therefore, it attracted the attention and research of many academic people.

At the beginning of the Han Dynasty, although Huang Lao's theory was to govern by inaction, there was no special study of Tao, but only governance by inaction. Later, Emperor Wu of the Han Dynasty only respected Confucianism. It blocked the development of metaphysics and tied Confucianism to the chariot of political power. When studying and serving as an official, one could only use Confucian classics, but Taoist thought was not discontinued.

After the Yellow Turban Rebellion at the end of the Eastern Han Dynasty, the heroes and feudal lords fought together. In addition, Cao Wei forcibly replaced the Han Dynasty, and the Sima family forcibly replaced the Cao Wei Dynasty. Many scholars lost interest in becoming officials and began to abandon their families. Guo Tianxia, ??and turned to discuss some metaphysical and metaphysical things.

Coupled with the emergence of theories about yin and yang and the universe in the Han Dynasty, they put forward many interesting arguments about heaven, earth and people from the standpoint of Taoist metaphysics. This method of discussion is called Qingtan, but Since there were many famous people who talked in private, including the Seven Sages of the Bamboo Grove, the officialdom later began to be arty, and this method of casual conversation became popular, so that when officials met, they did not talk about people's livelihood, but just talked about it. Gradually, metaphysics became the name of the Wei Dynasty. Besides Confucianism in the Jin Dynasty, another Chinese culture is also called Wei and Jin metaphysics.