Sunan an-Nasa'i 3178
سنن النسائي#3178SahihIt was narrated from Mus'ab bin Sa'd, from his father, that he thought he was better than other Companions of the Prophet (ﷺ). The Prophet of Allah (ﷺ) said:"Rather, Allah support this Ummah because of their supplication, their Salah, and their sincerity
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Abu GhuddahSahih
Al-AlbaniSahih
Zubair Ali ZaiSahih Bukhari
In-book reference: 25:94