Surah Taha, Verse 91

قَالُواْ لَن نَّبۡرَحَ عَلَيۡهِ عَٰكِفِينَ حَتَّىٰ يَرۡجِعَ إِلَيۡنَا مُوسَىٰ٩١

qālū lan nabraḥa ʿalayhi ʿākifīna ḥattā yarjiʿa ilaynā mūsā

They said, "We will never cease being devoted to it [i.e., the calf] until Moses returns to us."