Surah At-Tur 52:29

فَذَكِّرْ فَمَآ أَنتَ بِنِعْمَتِ رَبِّكَ بِكَاهِنٍ وَلَا مَجْنُونٍ

So remind, [O Muḥammad], for you are not, by the favor of your Lord, a soothsayer or a madman.

Translation: Saheeh International

Tafsir

So remind persist in reminding the idolaters and do not desist from this even if they say to you that you are a soothsayer or a madman. For by the grace of your Lord by His bestowal of grace on you you are neither soothsayer bi-kāhinin is the predicate of mā nor madman wa-lā majnūnin a supplement to it.

Excerpt from Tafsir al-Jalalayn, commentary on 52:29, via Quran.com. The reader has the full commentary and 9 more tafsirs.