Al A'raf, 184 Ayah
7:184
أَوَلَمۡ يَتَفَكَّرُواْۗ مَا بِصَاحِبِهِم مِّن جِنَّةٍۚ إِنۡ هُوَ إِلَّا نَذِيرٞ مُّبِينٌ ١٨٤
'Awalam Yatafakkarū ۗ Mā Bişāĥibihim Min Jinnatin ۚ 'In Huwa 'Illā Nadhīrun Mubīnun
Then do they not give thought? There is in their companion [Muhammad] no madness. He is not but a clear warner.