"Earth" can be divided into "wood fire and gold water", which means Tai Chi (yin and yang) is divided into four images; "Wood fire and gold water" can be combined into "earth", which is the unified return of the four elephants to Taiji. -This is the essence and essence of the Five Elements Theory.
The "earth" in the five elements is Tai Chi, which is divided into two instruments of Yin and Yang (which can also be said to be Yin and Yang), and Yin and Yang are divided into four images, namely "wood fire and gold water". When the "earth" is not divided into two, it is "Tai Chi". The earth is divided into two parts, yin and yang, and yin and yang.
For the central government. The center can be infinitely small, as small as a point; It can be infinite and as big as heaven and earth. "Earth" can be understood as "heaven and earth"-there are only four directions with heaven and earth, and there is no way without heaven and earth.
In fact, even if the word "ground" is simply understood as "center", the quartet originated from the center. Without the central origin, it is impossible to divide the southeast, northwest and quartet.
Extended data:
The four elephants are the four star regions in the southeast, northwest and northwest of the sky. In ancient China, the stars in the sky were divided into seven star zones: Three Walls and Four Elephants. The so-called "wall" is the "city wall". "Three Walls" is the "Wei Zi Wall", symbolizing the palace; "Taiweiyuan" symbolizes the administrative organization; The "sky wall" symbolizes the bustling market. These three walls are arranged in a triangle around Polaris.
Three walls and four elephants: East Black Dragon, South Suzaku, West White Tiger and North Xuanwu. It also refers to Lao Yang, Shaoyin, Shaoyang, Laoyin, Yizhuan and the four stars in Yi Zhuan, in which Qinglong is Shaoyang in spring, Baihu is Shaoyin in autumn, Xuanwu Taiyin is winter and Suzaku is summer. Eight diagrams (dry, right, divorced, true, smoked, watched, gen and Kun) are derived from these four images.
The concept of "Four Elephants" was highly valued in ancient Japan and Korea, which were often called "Four Saints" and "Four Holy Beasts".
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