Musnad Ahmad 30:3483

Yazid narrated to us, Muhammad ibn ‘Amr informed us, from Abu Salamah, from Abu Hurairah, and Hisham, from Muhammad ibn Sirin, from Abu Hurairah, that the Messenger of Allah (ﷺ) said: "None of you will be entered into Paradise by his deeds." It was said: "Not even you, O Messenger of Allah?" He said: "Not even me, unless Allah covers me with mercy and grace from Him." And he placed his hand upon his head.