The Theological and Political Treatise [Part III] by Benedict Spinoza is a philosophical work that explores the relationship between religion and politics. In this part of the book, the author continues his reflections on the nature of power, the church state and the believing citizen. Spinoza uses a rational approach to the analysis of religion and society, revealing his unique theory about the nature of God and man. This book not only stimulates the reader to think deeply, but also encourages him to rethink his understanding of faith, politics and society as a whole.