Az-Zumar - 39:14

قُلِ اللَّهَ أَعْبُدُ مُخْلِصًا لَّهُ دِينِي
[39:14]
Say: Allah (it is Whom) I serve, being sincere to Him in my obedience:
Say: "It is Allah I serve, with my sincere (and exclusive) devotion:
Say: Allah I worship, making my religion pure for Him (only).