William Perkins described God's all-sufficiency as His blessedness. This view of God shaped his understanding of Christian piety, leading him to define theology as the science of living blessedly forever. For Perkins, godliness flows from the enjoyment of God. In Living Blessedly Forever, J. Stephen Yuille demonstrates how Perkins practically taught about God, joy, and the Christian life through his preaching on the Sermon on the Mount...