Sahih al-Bukhari 2416
صحيح البخاري#2416SahihNarrated `Abdullah bin Mas`ud:Allah's Messenger (ﷺ) said, "Whoever takes a false oath so as to take the property of a Muslim (illegally) will meet Allah while He will be angry with him." Al-Ash'ath said: By Allah, that saying concerned me. I had common land with a Jew, and the Jew later on denied my ownership, so I took him to the Prophet who asked me whether I had a proof of my ownership. When I replied in the negative, the Prophet asked the Jew to take an oath. I said, "O Allah's Messenger (ﷺ)! He will take an oath and deprive me of my property." So, Allah revealed the following verse: "Verily! Those who purchase a little gain at the cost of Allah's covenant and their oaths
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih al-Bukhari is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 44:7