Quran 20:91 from Surah Taa-Haa on Divine Marvels.
قَالُواْ لَن نَّبۡرَحَ عَلَيۡهِ عَٰكِفِينَ حَتَّىٰ يَرۡجِعَ إِلَيۡنَا مُوسَىٰ
English translation: They said Never we will cease being devoted to it being devoted to it until returns to us Musa
Transliteration: qalu lan nabraha alayhi akifina hatta yarji'a ilayna musa