(iii) Of the importance of knowing what power free will has It is not irreligious, idle, or superfluous, but in the highest degree wholesome and necessary, for a Christian to know whether or not his will has anything to do in matters pertaining to salvation. Indeed, let me tell you, this is the hinge on which our discussion turns, the crucial issue between us; our aim is, simply, to investigate what ability free will has, in what respect it is the subject of Divine action and how it stands related to the grace of God. If we know nothing of...