Sunan an-Nasa'i 756
سنن النسائي#756SahihNarrated Busr bin Saeed:It was narrated from Busr bin Sa'eed said that Zaid bin Khalid sent him to Abu Juhaim to ask him what he had heard the Messenger of Allah (ﷺ) say about one who passes in front of a person who is praying? Abu Juhaim said: "The Messenger of Allah(ﷺ)said: "If the one who passes in front of a person who is praying knew what (burden of sin) there is on him, standing for forty would be better for him than passing in front of him
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 - Agreed Upon
In-book reference: 9:15