Taha 20:91

قَالُوا۟ لَن نَّبْرَحَ عَلَيْهِ عَـٰكِفِينَ حَتَّىٰ يَرْجِعَ إِلَيْنَا مُوسَىٰ

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."