Sunan an-Nasa'i 2560
سنن النسائي#2560SahihIt was narrated that Abu Musa said:"The Messenger of Allah said: 'The believers are like a building they support one another.' And he said: "The trustworthy storekeeper who gives that which he has been commanded to give, and is happy with what he is doing, is one of the two giving charity
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: 23:126