Quran 7:67 from Surah Al-A'raaf on Divine Marvels.
قَالَ يَٰقَوۡمِ لَيۡسَ بِي سَفَاهَةٞ وَلَٰكِنِّي رَسُولٞ مِّن رَّبِّ ٱلۡعَٰلَمِينَ
English translation: He said O my people (There is) no in me foolishness but I am a Messenger from (the) Lord (of) the worlds
Transliteration: qala yaqawmi laysa bi safahatun walakinni rasulun min rabbi al-'alamina