كتاب البيوع
7  
Business Transactions
Bulugh al-Maram 861
Narrated 'Ali (RA):
Allah's Messenger (ﷺ) said: "Every loan, which leads to a benefit, is usury." [al-Harith bin Abu Usamah reported it, but its chain of narrators is Saaqit (containing an extremely weak narrator)].
وَعَنْ عَلِيٍّ ‏- رضى الله عنه ‏- قَالَ: قَالَ رَسُولُ اَللَّهِ ‏-صَلَّى اَللَّهُ عَلَيْهِ وَسَلَّمَ { كُلُّ قَرْضٍ جَرَّ مَنْفَعَةً, فَهُوَ رِبًا } رَوَاهُ اَلْحَارِثُ بْنُ أَبِي أُسَامَةَ, وَإِسْنَادُهُ سَاقِطٌ 1‏ .‏
Reference : Bulugh al-Maram 861
In-book reference : Book 7, Hadith 861
English translation : Book 7, Hadith 864
Hadith Text
Reference