In 2009, Time Magazine said Calvinism—or New Calvinism—was one of 10 ideas shaping the world. How did a theological system focused on the majesty and sovereignty of God become a world-changing movement? John MacArthur is part of the answer to that question. This episode explores how John became a Calvinist, how he pulled a generation of young people into the doctrines of grace, and why he eventually criticized the movement he had influenced.