[Machine] Abu Abdullah Al-Hafiz and Abu Abdulrahman As-Sulami informed us from their sources and others. They said: Abu Abbas Muhammad bin Ya'qub bin Yusuf informed us, he said: Abu Jafar Ahmad bin Abdulhamid Al-Harithi informed me, he said: Abu Usamah informed us, that Al-Walid bin Kathir informed him, from Ma'bad bin Ka'b bin Malik, from Abu Qatadah Al-Ansari, that he heard the Messenger of Allah ﷺ saying: "Beware of excessive swearing in sales transactions, for it depletes (the blessings) and causes loss".  

أَخْبَرَنَا أَبُو عَبْدِ اللهِ الْحَافِظُ وَأَبُو عَبْدِ الرَّحْمَنِ السُّلَمِيُّ مِنْ أَصْلِهِ وَغَيْرُهُمَا قَالُوا ثنا أَبُو الْعَبَّاسِ مُحَمَّدُ بْنُ يَعْقُوبَ بْنِ يُوسُفَ ثنا أَبُو جَعْفَرٍ أَحْمَدُ بْنُ عَبْدِ الْحَمِيدِ الْحَارِثِيُّ ثنا أَبُو أُسَامَةَ أَخْبَرَنِي الْوَلِيدُ بْنُ كَثِيرٍ عَنْ مَعْبَدِ بْنِ كَعْبِ بْنِ مَالِكٍ عَنْ أَبِي قَتَادَةَ الْأَنْصَارِيِّ أَنَّهُ سَمِعَ رَسُولَ اللهِ ﷺ يَقُولُ إِيَّاكُمْ وَكَثْرَةَ الْحَلِفِ فِي الْبَيْعِ فَإِنَّهُ يُنْفِقُ ثُمَّ يَمْحَقُ