كَلَّ لَيِن لَّمْ يَنتَهNay! If he ceases not,meaning, if he does not recant from his discord and obstinacy,لَنَسْفَعًا بِالنَّاصِيَةِWe will scorch his forehead.meaning, `indeed We will make it extremely black on the Day of Judgement.'Then He says,نَاصِيَةٍ كَاذِبَةٍ خَاطِيَةٍ