Surah Ali'Imran, Verse 102

يَٰٓأَيُّهَا ٱلَّذِينَ ءَامَنُواْ ٱتَّقُواْ ٱللَّهَ حَقَّ تُقَاتِهِۦ وَلَا تَمُوتُنَّ إِلَّا وَأَنتُم مُّسۡلِمُونَ١٠٢

yāayyuhā alladhīna āmanū ittaqū l-laha ḥaqqa tuqātihi walā tamūtunna illā wa-antum mus'limūna

O you who have believed, fear Allāh as He should be feared and do not die except as Muslims [in submission to Him].