Surah Al-'Alaq 96:15

كَلَّا لَئِن لَّمْ يَنتَهِ لَنَسْفَعًۢا بِٱلنَّاصِيَةِ

No! If he does not desist, We will surely drag him by the forelock

Translation: Saheeh International

Tafsir

No indeed! — a repudiation of him — Assuredly if la-in the lām is for oaths he does not desist from the disbelief that he is upon We shall seize him by the forelock We shall drag him to the Fire by his forelock

Excerpt from Tafsir al-Jalalayn, commentary on 96:15, via Quran.com. The reader has the full commentary and 9 more tafsirs.