Sunan an-Nasa'i 467

Ishaq ibn Ibrahim informed us; he said: al-Nadr ibn Shumayl narrated to us; he said: Hammad ibn Salamah informed us, from al-Azraq ibn Qays, from Yahya ibn Ya‘mar, from Abu Hurayrah, from the Messenger of Allah ﷺ, who said: “The first thing for which a servant will be called to account is his prayer. If he has completed it, then all is well; otherwise Allah, Mighty and Exalted, will say: ‘Look for voluntary prayers for My servant.’ If he is found to have voluntary prayers, He will complete the obligatory prayer with them.”