Quran 57:3 from Surah Al-Hadid on Divine Marvels.
هُوَ ٱلۡأَوَّلُ وَٱلۡأٓخِرُ وَٱلظَّٰهِرُ وَٱلۡبَاطِنُۖ وَهُوَ بِكُلِّ شَيۡءٍ عَلِيمٌ
English translation: He (is) the First and the Last and the Apparent and the Unapparent and He (is) of every thing All-Knower
Transliteration: huwa al-awalu wal-akhiru wal-zahiru wal-batinu wahuwa bikulli shayin alimun