Qur'an 20:91 · Taa-Haa

قَالُوا۟ لَن نَّبْرَحَ عَلَيْهِ عَٰكِفِينَ حَتَّىٰ يَرْجِعَ إِلَيْنَا مُوسَىٰ

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