The book "Ethics. Part 5" by the author Baruch Spinoza (Benedict Spinoza) is a fundamental philosophical treatise that is part of his main work "Ethics". In the fifth part of this outstanding book, the author examines the issue of the essence and activity of man in society. Spinoza examines ethical issues related to moral values, the interaction of the individual and society, and also reveals his unique views on the nature of human morality. In this part of the book, the author continues his analysis of human nature and examines the issues of responsibility to others, moral obligations, and the role of emotions in decision-making. Readers will have the opportunity to discover Spinoza's deep philosophical approach to ethics and morality, which remains a source of great intellectual fascination and debate.