Quran 39:14 from Surah Az-Zumar on Divine Marvels.
قُلِ ٱللَّهَ أَعۡبُدُ مُخۡلِصٗا لَّهُۥ دِينِي
English translation: Say I worship Allah I worship Allah (being) sincere to Him (in) my religion
Transliteration: quli al-laha a'budu mukh'lisan lahu dini