Surah Al-Nahl (The Bees), Verse 82

فَاِنْ تَوَلَّوْا فَاِنَّمَا عَلَیْكَ الْبَلٰغُ الْمُبِیْنُ ۟

Fa in tawallaw fa innamaa 'alaikal balaaghul mubeen

“But if they turn away, thy duty is only to preach the clear Message.”

Quran 16:82 (Yusuf Ali Translation)