﴿ كَذَٰلِكَ مَآ أَتَى ٱلَّذِينَ مِن قَبْلِهِم مِّن رَّسُولٍ إِلَّا قَالُوا۟ سَاحِرٌ أَوْ مَجْنُونٌ ﴾

“[But] thus it is: never yet came any apostle to those who lived before their time but they said, “A spellbinder [Lit., "sorcerer".] [is he], or a madman!””

Please check ayah 51:60 for complete tafsir.