While exalting in the exhaustive sovereignty of God’s grace in man’s salvation, Perkins never tired of stressing man’s responsibility and the necessity of Christian piety. He wrote, “Saving knowledge in religion is experimental, and he that is truly founded upon Christ feels the power and efficacy of His death and resurrection, effectually causing the death of sin, and the life of grace which both appear by new obedience.” For Perkins, theology was not a purely academic discipline,