Quran 12:58 from Surah Yusuf on Divine Marvels.
وَجَآءَ إِخۡوَةُ يُوسُفَ فَدَخَلُواْ عَلَيۡهِ فَعَرَفَهُمۡ وَهُمۡ لَهُۥ مُنكِرُونَ
English translation: And came (the) brothers (of) Yusuf and they entered upon him and he recognized them but they knew him not knew him not
Transliteration: wajaa ikh'watu yusufa fadakhalu alayhi fa'arafahum wahum lahu munkiruna