Sahih Muslim 3243
صحيح مسلم#3243SahihA'isha (Allah be pleased with her), wife of Allah's Apostle (ﷺ), heard Allah's Messenger (ﷺ) as saying:If your people, had not been recent converts to Islam, I would have spent the treasure of the Ka'ba in the way of Allah and would have constructed its door just on the level of the ground and would have encompassed in it the space of Hijr
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih Muslim is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 15:447