Quran 20:70 from Surah Taa-Haa on Divine Marvels.
فَأُلۡقِيَ ٱلسَّحَرَةُ سُجَّدٗا قَالُوٓاْ ءَامَنَّا بِرَبِّ هَٰرُونَ وَمُوسَىٰ
English translation: So were thrown down the magicians prostrating They said We believe in (the) Lord (of) Harun and Musa
Transliteration: fa-ul'qiya al-saharatu sujjadan qalu amanna birabbi haruna wamusa