The book "Theological and Political Treatise. Part 1" by Benedict de Spinoza is a fundamental work where the author examines the relationship between religion and politics. Spinoza tries to reveal the interaction between religious beliefs and political institutions, as well as to show how they interact in the life of society. The author expresses his distinctive views on the role of religion in politics, examines the nature of theology, interprets the Holy Scriptures and religious doctrines. Through his sharp opinions and controversial theses, Spinoza encourages the reader to think deeply and critically about the nature and essence of religion and politics. "Theological and political treatise. Part 1" opens a new perspective on the relationship between religion and the management of society, becoming an important source for the study of philosophy, political science and religious studies.