39لَو يَعلَمُ الَّذينَ كَفَروا حينَ لا يَكُفّونَ عَن وُجوهِهِمُ النّارَ وَلا عَن ظُهورِهِم وَلا هُم يُنصَرونَ(Saheeh International)If those who disbelieved but knew the time when they will not avert the Fire from their faces or from their backs and they will not be aided…1 The completion of the sentence is understood to be "…they would not be asking in disbelief and ridicule to be shown the punishment."