مُسْنَدُ أَحْمَدَ
Musnad Ahmad 3915
Musnad of Abdullah bin Mas'ood
It was narrated that 'Abdullah bin Mas'ood (رضي الله عنه) said: When I tell you of a hadeeth from The Messenger of Allah (ﷺ), then think of the Messenger of Allah (ﷺ) as being the best, the most guided and the must pious.
Musnad Ahmad 3940A saheeh hadeeth and its isnad is da’eef because it is inter