Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
Qurʾān Bukhārī Muslim Nasāʾī Abū Dāwūd Tirmidhī Ibn Mājah Mālik Aḥmad Dārimī Ḥākim Ibn Ḥibbān Ṭabarānī Nasāʾī's Kubrá Bayhaqī al-Luʾluʾ wa-al-Marjān Ibn Rajab's Fifty Riyāḍ al-Ṣāliḥīn Aḥmad's Zuhd Suyūṭī
bayhaqi:10925 – Abū al-Ḥasan Muḥammad b. Ẓafar b. Muḥammad al-ʿAlawī > Abū al-Ḥusayn Muḥammad b. Aḥmad b. Isḥāq al-Daqqāq > Aḥmad b. Muḥammad al-Qurashī > Aḥmad b. ʿAbdullāh al-Manbijī > Yaʿīsh b. Hishām al-Qarqīsiyānī > Mālik b. Anas > al-Zuhrī > Anas b. Mālik

[Machine] On the authority of the Prophet ﷺ he said, "Taking undue advantage of someone's vulnerability is usury." And on the authority of Ja'far ibn Muhammad from his father from Ali ﷺ from the Prophet ﷺ he said, "Taking undue advantage of someone's vulnerability is usury."  

البيهقي:١٠٩٢٥ – وَحَدَّثَنَا أَبُو الْحَسَنِ مُحَمَّدُ بْنُ ظَفَرِ بْنِ مُحَمَّدٍ الْعَلَوِيُّ أنا أَبُو الْحُسَيْنِ مُحَمَّدُ بْنُ أَحْمَدَ بْنِ إِسْحَاقَ الدَّقَّاقُ ثنا أَحْمَدُ بْنُ مُحَمَّدٍ الْقُرَشِيُّ ثنا أَحْمَدُ بْنُ عَبْدِ اللهِ الْمَنْبِجِيُّ ثنا يَعِيشُ بْنُ هِشَامٍ الْقَرْقِيسِيَانِيُّ ثنا مَالِكُ بْنُ أَنَسٍ عَنِ الزُّهْرِيِّ عَنْ أَنَسِ بْنِ مَالِكٍ

عَنِ النَّبِيِّ ﷺ قَالَ غَبْنُ الْمُسْتَرْسِلِ رِبًا وَعَنْ جَعْفَرِ بْنِ مُحَمَّدٍ عَنْ أَبِيهِ عَنْ عَلِيٍّ ؓ عَنِ النَّبِيِّ ﷺ قَالَ غَبْنُ الْمُسْتَرْسِلِ رِبًا