39لَو يَعلَمُ الَّذينَ كَفَروا حينَ لا يَكُفّونَ عَن وُجوهِهِمُ النّارَ وَلا عَن ظُهورِهِم وَلا هُم يُنصَرونَWahiduddin KhanIf only those who deny the truth knew the time when they would not be able to ward off the fire neither from their faces nor from their backs. They will not be helped!