1, human nature is evil: Liezi thinks that human nature is evil, and people are naturally selfish, greedy and evil. He believes that people need to overcome their own viciousness through education and self-cultivation and pursue moral perfection.

2. Mind cultivation: Liezi pays attention to individual inner cultivation and moral consciousness. He believes that by cultivating the mind, people can get rid of the evil nature and pursue moral nobility. He advocated that people should cultivate self-cultivation and cultivate good moral character and moral concept.

3. Emotional education: Liezi emphasized the importance of emotional education. He believes that people should cultivate love and kindness, care for others and help each other. He advocates that people should cultivate gratitude through emotional education, cherish the relationship with others and improve the social atmosphere.

4. Social responsibility: Liezi believes that individuals should bear social responsibility and make contributions to society. He advocated that people should actively participate in social affairs, pay attention to public interests and promote the harmonious development of society.

Liezi introduced:

Liezi (about 450 BC-375 BC) was a representative of Taoism in the early Warring States period. Putian, a native of Zheng (now Zhengzhou, Henan), was born after Shan. About the same time as Zheng. One of the ten outstanding figures in pre-Qin Dynasty, Taoist, thinker, philosopher, writer and educator.

Liezi is an important figure of Taoist school between Laozi and Zhuangzi, and another representative figure of Taoist school besides Laozi and Zhuangzi. His knowledge originated from the Yellow Emperor Laozi, and he advocated that inaction should belong to Laozi and Zhuangzi, and was respected as a predecessor by Taoism. He founded the Pre-Qin School of Philosophy (Liezi School), which had a far-reaching influence on later philosophy, aesthetics, literature, science and technology, health preservation, music and religion.

In the Eastern Han Dynasty, Ban Gu's Han Shu Literature and Art Annals contains eight volumes of Liezi, which was lost earlier. This edition of Liezi consists of eight volumes, which may be compiled by later generations according to ancient materials in terms of ideological content and language use. The book contains 134 folk stories, fables, myths and legends with a wide range of topics, some of which are quite instructive.