There were many books that could improve one's basic self-cultivation. The Analects of Confucius: This is one of the most famous philosophical classics in ancient China. It contains the words, deeds, and thoughts of Confucius and his disciples. It has profound guidance on how to improve self-cultivation and interpersonal relationships. 2. Tao Te Ching: This is one of the representative works of Taoist philosophy. It explains the nature and laws of nature and the universe, and has profound enlightenment for human beings to understand themselves and the world. 3. Zhuangzi: This is one of the representative works of ancient Chinese philosophy. It tells the story of Zhuangzi's philosophical thoughts and outlook on life. It stresses the freedom and independence of human beings and has enlightenment for improving personal cultivation and interpersonal relationships. Dream of the Red Chamber: This is a classic work of ancient Chinese literature. It narrates the stories of Jia Baoyu and Lin Daiyu. It reflects the style and human nature of ancient society and has profound enlightenment for personal cultivation and emotional expression. The Book of Songs: This is one of the classics of ancient Chinese literature. It contains poems and songs from ancient society, reflecting the style of ancient society and people's emotions. It also has enlightenment for improving one's cultural quality and aesthetic ability.