[Machine] Abu Sa'eed Al-Khudri met Ibn Abbas and testified to the Messenger of Allah ﷺ saying, "Gold is to be exchanged for gold and silver for silver, equivalently. So whoever adds more, has indulged in usury." Ibn Abbas then said, "Shall I repent to Allah from what I used to give fatwas about?" Then he returned.
أَنَّ أَبَا سَعِيدٍ الْخُدْرِيَّ لَقِيَ ابْنَ عَبَّاسٍ فَشَهِدَ عَلَى رَسُولِ اللهِ ﷺ أَنَّهُ قَالَ «الذَّهَبُ بِالذَّهَبِ وَالْفِضَّةُ بِالْفِضَّةِ مِثْلًا بِمِثْلٍ فَمَنْ زَادَ فَقَدْ أَرْبَى» فَقَالَ ابْنُ عَبَّاسٍ «أَتُوبُ إِلَى اللهِ ﷻ مِمَّا كُنْتُ أُفْتِي بِهِ» ثُمَّ رَجَعَ