Cap. X Arg. IX close: the decree to permit final hardness is reprobation itself — Rom. ix. 18; futile to refer non-preparing soft-heart grace to foreseen unbelief
But the very decree by which God settles with himself to permit someone to harden and close his last day in impenitence and unbelief is reprobation’s own decree. So it is futile here to refer to foreseen unbelief God’s will not to prepare for this or that singular person the grace that softens the heart and begets faith, repentance, and perseverance—for here one must flee to the Apostle (Rom. Ix. 18): God has mercy on whom he wills, and whom he wills he hardens.
Latin
At hoc ipsum decretum quo Deus statuit apud se velle permittere, ut quis obdurescat et extremum diem claudat in sua impoenitentia et infidelitate, est ipsissimum reprobationis decretum. Frustra igitur hac in re ad praevisam infidelitatem refertur voluntas Dei non praeparantis huic aut illi singulari personae gratiam illam quae cor emollit, quae fidem, resipiscentiam, et perseverantiam gignit, cum hic necessario confugiendum sit ad illud Apostoli, Deus cujus vult miseretur, et quem vult indurat, Rom. ix. 18.