Quran 16:82 from Surah An-Nahl on Divine Marvels.
فَإِن تَوَلَّوۡاْ فَإِنَّمَا عَلَيۡكَ ٱلۡبَلَٰغُ ٱلۡمُبِينُ
English translation: Then if they turn away then only upon you (is) the conveyance the clear
Transliteration: fa-in tawallaw fa-innama alayka al-balaghu al-mubinu