767
Musnad AhmedIt was narrated that ‘Ali (رضي الله عنه) said:
When I asked permission to enter upon the Messenger of Allah (ﷺ), if he was praying he would say Subhan Allah, and if not he would give permission.
Reference: Musnad Ahmad 767
Arabic/English book : Book 5, Hadith 767
Arabic/English book : Book 5, Hadith 767