"The Messenger of Allah (S) came to us, and we were what was called 'brokers,' he said: 'O people of trade! Indeed the Shaitan and sin are present in the sale, so mix your sales with charity.'" He said: There are narrations on this topic from Al-Bara' bin 'Azib and Rifa'ah.
خَرَجَ عَلَيْنَا رَسُولُ اللَّهِ ﷺ وَنَحْنُ نُسَمَّى السَّمَاسِرَةَ فَقَالَ يَا مَعْشَرَ التُّجَّارِ إِنَّ الشَّيْطَانَ وَالإِثْمَ يَحْضُرَانِ الْبَيْعَ فَشُوبُوا بَيْعَكُمْ بِالصَّدَقَةِ قَالَ وَفِي الْبَابِ عَنِ الْبَرَاءِ بْنِ عَازِبٍ وَرِفَاعَةَ