“Second, I address the issue of the duplex gratia Dei; that is, how they treated the “double grace of God,” or dual benefit, arising from gracious union with Christ—namely, justification as an imputed declaration of the forgiveness of sins as well as a righteous standing before God, clothed in Christ’s righteousness, achieved by Christ alone, given by grace alone, received through faith alone, and the call to grow in godliness—in other words, to pursue sanctification viewed as not only a salutary but a necessary consequence of such a gracious faith-union.”