This book explores the philosophical underpinnings and social consequences of religious faith, analyzing specifically the impact of Calvinism on the development of American ideals and institutions. The author examines the Puritan concept of the moral universe as an integrated whole, where every aspect of life is subject to the will of God. This concept, it is argued, not only fostered a strong sense of social responsibility but also laid the groundwork for the development of political and economic individualism. The author traces the evolution of Calvinist thought, from its origins in the Reformation to its influence on American society, shedding light on its complex relationship with the nation's political, economic, and cultural development. Ultimately, this book provides valuable insights into the interplay between religious beliefs and social values, offering a deeper understanding of the forces that have shaped American society.