تفسير : (which of you is the demented) which of you is mad.
Jalāl al-Dīn al-Maḥallī
تفسير : which of you is demented (al-maftūn is a verbal noun, similar [in expressional form] to al-ma‘qūl, ‘intelligible’; al-futūn meaning al-junūn, ‘insanity’) in other words, is it [this insanity] in you or in them?