Birds of a feather flock together. This sentence comes from the Book of Changes. The relevant allusion is that Chunyu Kun of Qi was well-read and eloquent during the Warring States Period, and he was appointed as a doctor of Qi. On one occasion, to attack Wei, he mobilized the army, collected food and grass, and supplemented the army, but it emptied the treasury and impoverished the people, and some people had fled to other countries.
Chunyu Kun warned Qi Xuanwang with language stories. Finally, he ordered to stop attacking Wei and recommended seven wise men to Wei in one day.
What is the Book of Changes:
The Book of Changes is an ancient classic that expounds the changes of everything in the world, and it is a profound dialectical philosophical work, including Lianshan, Guizang and Zhouyi, among which Lianshan and Guizang have been lost, and only Zhouyi exists in the world.
The Book of Changes contains simple and profound natural laws and dialectical thoughts, and is the crystallization of the wisdom of the Chinese nation. It understands and grasps the world from a holistic perspective, and regards man and nature as an interactive organic whole, that is, the unity of man and nature. The Book of Changes has long been used as divination, and divination is to predict the development of future events.
The Book of Changes is a book that summarizes these prophetic laws and theories. The Book of Changes, known as the first of the ten thousand classics, is the general program of China's traditional culture, covering everything, disciplines and ethics. It is an outstanding representative of China culture, subtle and all-encompassing, and also the source of Chinese civilization. Its content involves philosophy, politics, life, literature, art, science and many other fields.