177
Musnad AhmedIt was narrated from Nafi’ that
‘Umar added to the mosque the area between the pillar and the enclosure, and ‘Uthman added[|something to the mosque], "Umar said: Were it not for the fact that I heard the Messenger of Allah (ﷺ) say. "We want to extend our mosque,” I would not have added anything to it.
Reference: Musnad Ahmad 330
Arabic/English book : Book 2, Hadith 330
Arabic/English book : Book 2, Hadith 330