Quran 26:193 from Surah Ash-Shu'araa on Divine Marvels.
نَزَلَ بِهِ ٱلرُّوحُ ٱلۡأَمِينُ
English translation: Has brought it down Has brought it down the Spirit [the] Trustworthy
Transliteration: nazala bihi al-ruhu al-aminu