مُسْنَدُ أَحْمَدَ
Musnad Ahmad 3830
Musnad of Abdullah bin Mas'ood
It was narrated from ‘Abdullah that The Prophet (ﷺ) used to recite "then is there any one who will remember (or receive admonition) (fahal min muddakir)?” (al-Qamar 54:17).
Musnad Ahmad 3853lts isnad is saheeh, al-Bukhari (3341) and Muslim (823)]