Quran 55:17 from Surah Ar-Rahmaan on Divine Marvels.
رَبُّ ٱلۡمَشۡرِقَيۡنِ وَرَبُّ ٱلۡمَغۡرِبَيۡنِ
English translation: Lord (of) the two Easts and Lord (of) the two Wests
Transliteration: rabbu al-mashriqayni warabbu al-maghribayni