﴿ وَإِن يَكَادُ ٱلَّذِينَ كَفَرُوا۟ لَيُزْلِقُونَكَ بِأَبْصَٰرِهِمْ لَمَّا سَمِعُوا۟ ٱلذِّكْرَ وَيَقُولُونَ إِنَّهُۥ لَمَجْنُونٌۭ ﴾

“Hence, [be patient,] even though they who are bent on denying the truth would all but kill thee with their eyes whenever they hear this reminder, and [though] they say, "[As for Muhammad,] behold, most surely he is a madman!"”

(And lo! those who disbelieve) the disbelievers of Mecca (would fain disconcert thee) would kill you (with their eyes) and it is said this means: they would give you the evil eye (when they hear the Reminder) when they hear you recite the Qur'an, (and they) i.e. the people of Mecca (say: Lo! he is) i.e. Muhammad (indeed mad) bewitched;