The book "Mencius" is one of the most significant works in Chinese philosophy of the classical period. The main character of the work is the Chinese philosopher Mencius, disciple and heir of Confucius. In his book, Mencius examines the issues of ethics, morality, government and society. He calls for humanity, goodness, wisdom and devotion to the ideals of educating the generations. The author expresses his views on the inner world of man, the role of education and the interaction of people in society. The book "Mencius" keeps its ideas about improving oneself and the surrounding world relevant, which deserves the attention of readers of any era.