Surah Al-Mu'minun, Verse 69

أَمۡ لَمۡ يَعۡرِفُواْ رَسُولَهُمۡ فَهُمۡ لَهُۥ مُنكِرُونَ٦٩

am lam yaʿrifū rasūlahum fahum lahu munkirūna

Or did they not know their Messenger, so they are toward him disacknowledging?