Okay kiddo, let me explain about a smart man named Dong Zhongshu. He was born a really long time ago in China. He thought it was important to study and follow the teachings of the ancient Chinese books called Confucian classics.
Dong Zhongshu believed that everyone should follow the rules of Confucianism so they could be good and live in a harmonious society. He also believed that the world was made up of two forces, called yin and yang, and they had to be balanced for there to be peace and happiness.
He became a famous philosopher and advisor to the Emperors of China. He wrote many books about how people should behave and how the government should rule the country.
Even if Dong Zhongshu lived a long time ago, his ideas are still studied today and have had a big impact on Chinese culture and society.