Full Sharh — Bulugh al-Maram 1562
وَعَنْ عَبْدِ اَللَّهِ بْنِ عَمْرِوٍ رَضِيَ اَللَّهُ عَنْهُمَا قَالَ: { جَاءَ أَعْرَابِيٌّ إِلَى اَلنَّبِيِّ - صلى الله عليه وسلم -فَقَالَ: يَا رَسُولَ اَللَّهِ! مَا اَلْكَبَائِرُ?. … فَذَكَرَ اَلْحَدِيثَ, وَفِيهِ قُلْتُ: وَمَا اَلْيَمِينُ اَلْغَمُوسُ? قَالَ: " اَلَّذِي يَقْتَطِعُ مَالَ امْرِئٍ مُسْلِمٍ, هُوَ فِيهَا كَاذِبٌ" } أَخْرَجَهُ اَلْبُخَارِيُّ. 1 .1 - صحيح. رواه البخاري ( 6920 ).
English Translation
Narrated 'Abdullah bin 'Amr (RA):: A desert Arab came to the Prophet (ﷺ) and said, "O Allah's Messenger, what are the major sins?" The narrator reported the Hadith and it contains: "The false oath." It contains also: I asked, "What is the false oath?" The Prophet (ﷺ) replied, "It is that (oath) by which one takes possession of the property of a Muslim person, while he is lying." .
Source
Bulugh al-Maram(بلوغ المرام)
Oaths and Vows
Hadith Number
1562