Quran 39:14

Say, "Allāh [alone] do I worship, sincere to Him in my religion,

— Saheeh International

Say, ‘It is God I serve, dedicating my worship entirely to Him-

— M. A. S. Abdel Haleem

Say (O Muhammad صلى الله عليه وسلم): "Allâh Alone I worship by doing religious deeds sincerely for His sake only (and not to show off, and not to set up rivals with Him in worship.)"

— Muhammad Muhsin Khan & Muhammad Taqi-ud-Din al-Hilali