Surah Az-Zumar, Verse 11

قُلۡ إِنِّيٓ أُمِرۡتُ أَنۡ أَعۡبُدَ ٱللَّهَ مُخۡلِصٗا لَّهُ ٱلدِّينَ١١

qul innī umir'tu an aʿbuda l-laha mukh'liṣan lahu l-dīna

Say, [O Muḥammad], "Indeed, I have been commanded to worship Allāh, [being] sincere to Him in religion.