قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم " مَنْ حَلَفَ عَلَى يَمِينٍ وَهْوَ فِيهَا فَاجِرٌ لِيَقْتَطِعَ بِهَا مَالَ امْرِئٍ مُسْلِمٍ لَقِيَ اللَّهَ وَهْوَ عَلَيْهِ غَضْبَانُ ". قَالَ فَقَالَ الأَشْعَثُ فِيَّ وَاللَّهِ كَانَ ذَلِكَ، كَانَ بَيْنِي وَبَيْنَ رَجُلٍ مِنَ الْيَهُودِ أَرْضٌ فَجَحَدَنِي، فَقَدَّمْتُهُ إِلَى النَّبِيِّ صلى الله عليه وسلم فَقَالَ لِي رَسُولُ اللَّهِ صلى الله عليه وسلم " أَلَكَ بَيِّنَةٌ ". قُلْتُ لاَ. قَالَ فَقَالَ لِلْيَهُودِيِّ " احْلِفْ ". قَالَ قُلْتُ يَا رَسُولَ اللَّهِ إِذًا يَحْلِفَ، وَيَذْهَبَ بِمَالِي، فَأَنْزَلَ اللَّهُ تَعَالَى {إِنَّ الَّذِينَ يَشْتَرُونَ بِعَهْدِ اللَّهِ وَأَيْمَانِهِمْ ثَمَنًا قَلِيلاً} إِلَى آخِرِ الآيَةِ.
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 concernedme. I had common land with a Jew, and the Jew later on denied my ownership, so I took him to theProphet who asked me whether I had a proof of my ownership. When I replied in the negative, theProphet asked the Jew to take an oath. I said, "O Allah's Messenger (ﷺ)! He will take an oath and deprive meof my property." So, Allah revealed the following verse: "Verily! Those who purchase a little gain atthe cost of Allah's covenant and their oaths." (3.77)