He heard the Messenger of Allah ﷺ, when he raised his head from bowing, say, "Our Lord, to You belongs all praise."
أنه سمع رسول الله ﷺ حين رفع رأسه من الركوع قال: ربنا ولك الحمد.
Ahmad (6346) narrated it from Abdul-Razzaq, and it is in Musannaf (2911), he said, Mamar narrated to us, from Zuhri, from Salim, from Ibn Umar, and he related it. Its isnad is sahih.