“If a man does not repent, He will sharpen His sword; He has bent His bow and made it ready” (Psalm 7:12).
Federal Visionists love this verse because they think that David is talking about unbelievers. God will sharpen his sword for unbelievers. God has bent his bow and made it ready for unbelievers. However, this is the classic Roman mistake of blurring the distinction between justification and sanctification.
The Reformed faith has always insisted that justification is by faith alone. All subsequent works are part of sanctification. This means that repentance is not part of justification, but of sanctification.
Therefore, when David wrote, “If a man does not repent,” he was not speaking about justification, but sanctification. David was writing to believers.
Thus, God will sharpen his sword for those who are not sanctified. God has bent his bow and made it ready for those who are not sanctified.