Quran 23:69 from Surah Al-Muminoon on Divine Marvels.
أَمۡ لَمۡ يَعۡرِفُواْ رَسُولَهُمۡ فَهُمۡ لَهُۥ مُنكِرُونَ
English translation: Or (do) not they recognize their Messenger so they (are) rejecting him (are) rejecting him
Transliteration: am lam ya'rifu rasulahum fahum lahu munkiruna