Muhammad, not a madman

Then do they not give thought? There is in their companion [i.e., Muḥammad (ﷺ)] no madness. He is not but a clear warner.

You are not, [O Muḥammad], by the favor of your Lord, a madman.

And your companion [i.e., Prophet Muḥammad (ﷺ) ] is not [at all] mad.¹