Surah Al-A'raf 7:184
أَوَلَمْ يَتَفَكَّرُوا۟ ۗ مَا بِصَاحِبِهِم مِّن جِنَّةٍ ۚ إِنْ هُوَ إِلَّا نَذِيرٌ مُّبِينٌ
Then do they not give thought? There is in their companion [i.e., Muḥammad (ﷺ)] no madness. He is not but a clear warner.
Translation: Saheeh International
Tafsir
Have they not considered and so realised that that there is no madness in their comrade Muhammad (s)? He is but a clear warner one whose warning is evident.
Excerpt from Tafsir al-Jalalayn, commentary on 7:184, via Quran.com. The reader has the full commentary and 9 more tafsirs.