Musannaf Ibn Abi Shayba 3:6269

Yazid ibn Harun narrated to us, from al-Asbagh ibn Zayd, from al-Qasim ibn Abi Ayyub, from Sa'id ibn Jubayr, that when he would recite: "Glorify the name of your Lord, the Most High," he would say: "Glory be to my Lord, the Most High."