A Jew and I shared some land and he denied my right, so I took him to the holy prophet ﷺ. The holy prophet ﷺ said to me: Have you have proof. I said: No. He then said to the Jew: Swear an oath I said Messenger of Allah,he will swear an oath and go off my property. So Allah sent down: “Those who barter for a small price Allah’s covenant and their oaths...." to the end of the verse.
كَانَ بَيْنِي وَبَيْنَ رَجُلٍ مِنَ الْيَهُودِ أَرْضٌ فَجَحَدَنِي فَقَدَّمْتُهُ إِلَى النَّبِيِّ ﷺ قَالَ لِيَ النَّبِيُّ ﷺ أَلَكَ بَيِّنَةٌ قُلْتُ لاَ قَالَ لِلْيَهُودِيِّ احْلِفْ قُلْتُ يَا رَسُولَ اللَّهِ إِذًا يَحْلِفَ وَيَذْهَبَ بِمَالِي فَأَنْزَلَ اللَّهُ { إِنَّ الَّذِينَ يَشْتَرُونَ بِعَهْدِ اللَّهِ وَأَيْمَانِهِمْ } إِلَى آخِرِ الآيَةِ