Musnad Ahmad 30:543

'Abd al-Razzaq narrated to us, Ma'mar narrated to us, from al-Zuhri, from Abu Salamah ibn 'Abd al-Rahman, from Abu Hurayrah, that the Messenger of Allah, peace and blessings of Allah be upon him, when he raised his head from bowing (ruku'), he said: "O Allah, our Lord, and to You is the praise."