[Machine] The Messenger of Allah ﷺ said, "Indeed, riba (usury) is only in debt." Abdullah said, "Its meaning is one dirham exchanged for two dirhams."  

أَنَّ رَسُولَ اللَّهِ ﷺ قَالَ «إِنَّمَا الرِّبَا فِي الدَّيْنِ» قَالَ عَبْد اللَّهِ «مَعْنَاهُ دِرْهَمٌ بِدِرْهَمَيْنِ»