Pietism is a reform movement originating among German Lutherans in the 17th century. It focused on personal faith, reacting against Lutheran Church's emphasis on doctrine and theology over Christian living. The movement quickly expanded, exerting an enormous influence on various forms of Christianity, and became concerned with social and educational matters. Indeed, Piestists showed a strong interest in issues of social and ecclesial reform, the nature of history and historical inquiry, the shape and purpose of theology and theological education, the missional task of the church, and social...