Quran 37:81 from Surah As-Saaffaat on Divine Marvels.
إِنَّهُۥ مِنۡ عِبَادِنَا ٱلۡمُؤۡمِنِينَ
English translation: Indeed he (was) of Our slaves believing
Transliteration: innahu min ibadina al-mu'minina