Calvinism, also known as Reformed Tradition, Reformed Faith, or Reformed Theology, is both a Protestant religious movement and a biblical theological system with roots in the Protestant Reformation initiated by Martin Luther and developed by John Calvin in Geneva in the 16th century. One of the great preachers of Calvinism in the early 20th century was Abraham Kuyper. As one of the leading figures of the so-called Neo-Calvinism, Kuyper was a brilliant Dutch journalist and theologian who also had a strong political presence, serving as a member of parliament and as Prime Minister of the Netherlands from 1901 to 1905. In "Calvinism," Abraham Kuyper reveals the richness of Calvinism, not only as a set of theological doctrines but primarily as a foundation for a comprehensive worldview. These texts, compiled from lectures given by Kuyper, impress with their great human value and life lessons presented, bringing messages of faith that are extremely useful and relevant in today's world.