"Four Books" and "Five Classics" refer to the four classic bibliographies in ancient China, which are regarded as the foundation of China culture and an important source of China traditional knowledge.

The four books refer to the Great Learning, The Doctrine of the Mean, The Analects of Confucius and Mencius. Among them, Da Xue is a classic work of Confucius, an ancient thinker in China, which tells his understanding of morality and politics. The Doctrine of the Mean, written by Laozi, a disciple of Confucius, tells the story of morality and wisdom in life. The Analects of Confucius is a collection of quotations from Confucius and his disciples, which contains many views on morality and life. Mencius is a classic work written by Mencius, a student of Confucius, which tells his views on morality, politics and education.

The Five Classics refer to The Book of Songs, Shangshu, Book of Rites, Zhouyi and Chunqiu. Among them, The Book of Songs is the earliest collection of poems in ancient China, which contains many classical poems. Shangshu is the earliest historical record in ancient China, which contains a lot of information about ancient historical events and people. The Book of Rites is an ancient etiquette book in China, which contains many rules about etiquette, morality and politics. Zhouyi is an ancient divination book in China, which contains a lot of wisdom about life and destiny.