Al-Qalam - 68:2

مَا أَنتَ بِنِعْمَةِ رَبِّكَ بِمَجْنُونٍ
[68:2]
By the grace of your Lord you are not mad.
Thou art not, by the Grace of thy Lord, mad or possessed.
Thou art not, for thy Lord's favour unto thee, a madman.