[Pharaoh] said, "Indeed, your 'messenger' who has been sent to you is mad."
The Saheeh International Quran Translation
قَالَ إِنَّ رَسُولَكُمُ ٱلَّذِىٓ أُرْسِلَ إِلَيْكُمْ لَمَجْنُونٌ[Pharaoh] said, "Indeed, your 'messenger' who has been sent to you is mad."