Surah An-Nahl, Verse 82

فَإِن تَوَلَّوۡاْ فَإِنَّمَا عَلَيۡكَ ٱلۡبَلَٰغُ ٱلۡمُبِينُ٨٢

fa-in tawallaw fa-innamā ʿalayka l-balāghu l-mubīnu

But if they turn away, [O Muḥammad] - then only upon you is [responsibility for] clear notification.