The church in the Western world is largely faltering in its spiritual and missional vitality. There's a crisis of piety—or the devout life—heartfelt devotion to Christ and his cause. The Pietist movement of the seventeenth and eighteenth centuries grew into a revolutionary torrent of spiritual renewal that influenced the Moravians, the Methodists, the great awakenings, and global evangelicalism as we know it today. The Devout Life explores and expands on ten key features of Pietism to plunge the depths of spiritual renewal for today.