Quran 68:2

مَآ أَنتَ بِنِعۡمَةِ رَبِّكَ بِمَجۡنُونٖ

Maa anta bini'mati Rabbika bimajnoon

English Translation

You are not, [O Muhammad], by the favor of your Lord, a madman

— Saheeh International