Kunjunzi's terrain means to carry things with morality.

"The terrain is rich, and the gentleman carries things with virtue" comes from Zhouyi, which means that the momentum of the earth is generous and smooth, and the gentleman should carry things with virtue and tolerate everything. Whether a person can bear it or not should be weighed by himself. The original text is as follows: Tian Xingjian, the gentleman is constantly striving for self-improvement; The capacity of the earth is limited, so a gentleman must constantly cultivate his own virtue to undertake the world.

The introduction of the Book of Changes is the Book of Changes, and one of the three changes (another view: the Book of Changes is the three changes, not the Book of Changes) is one of the traditional classics. It is said that it was written by Zhou Wenwang Jichang, and its contents include the Book of Changes and biography. Classics are mainly composed of 64 hexagrams and 384 hexagrams, each of which has its own interpretation (hexagrams) for divination. It contains seven languages * * * and ten quatrains explaining hexagrams, which are collectively called "Ten Wings" and are said to have been written by Confucius.

During the Spring and Autumn Period, official schools began to evolve into private schools. There is a gradual development before and after the Yi-ology, and a hundred schools of thought contend, so it is easy to divide. Since Confucius praised the Book of Changes, the Book of Changes has been regarded as a Confucian classic and the first of the Six Classics by Confucianism. Outside of Confucianism, there are two parallel schools of Yi-ology and Confucian Yi-ology: one is Yi-ology, which still exists in the old forces; The other is Laozi's Taoist Yi, which began to be divided into three branches.

The General Catalogue of Sikuquanshu divides the origin and evolution of Yi-ology into "two schools and six schools". Two schools, namely, the school of mathematics and the school of righteousness; Six cases, one is divination, the other is auspiciousness, the third is accidents, the fourth is old Zhuang Zong, the fifth is Confucianism, and the sixth is history.

Zhouyi is the theoretical source of natural philosophy and humanistic practice in China's traditional ideology and culture, the crystallization of China's ancient thoughts and wisdom, and is known as the "source of Tao". The content is extremely rich, which has had a far-reaching impact on China's politics, economy, culture and other fields for thousands of years.