15:6
وَقَالُوا۟ يَـٰٓأَيُّهَا ٱلَّذِى نُزِّلَ عَلَيْهِ ٱلذِّكْرُ إِنَّكَ لَمَجْنُونٌ
waqālū yāayyuhā alladhī nuzzila ʿalayhi l-dhik'ru innaka lamajnūnun
And they say, "O you upon whom the message has been sent down, indeed you are mad.
— Saheeh International
They say, ‘Receiver of this Quran! You are definitely mad.
— M. A. S. Abdel Haleem
And they say: "O you (Muhammad صلى الله عليه و سلم) to whom the Dhikr (the Qur’ân) has been sent down! Verily, you are a mad man!
— Muhammad Muhsin Khan & Muhammad Taqi-ud-Din al-Hilali