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.
tabarani:443al-Ḥusayn b. Isḥāq al-Tustarī > Yaḥyá al-Ḥimmānī > Sharīk > ʿAbd al-ʿAzīz b. Rufayʿ > Abū Ṣāliḥ > Abū Saʿīd > Liāb.

[Machine] He said to Ibn Abbas, "Have you accompanied the Prophet ﷺ more than I have?" I heard the Prophet ﷺ saying, "Gold is to be exchanged with gold, like for like, and silver is to be exchanged with silver, like for like." Ibn Abbas said, "Usamah informed me that this was an interest-based transaction."  

الطبراني:٤٤٣حَدَّثَنَا الْحُسَيْنُ بْنُ إِسْحَاقَ التُّسْتَرِيُّ حَدَّثَنَا يَحْيَى الْحِمَّانِيُّ ثنا شَرِيكٌ عَنْ عَبْدِ الْعَزِيزِ بْنِ رُفَيْعٍ عَنْ أَبِي صَالِحٍ عَنْ أَبِي سَعِيدٍ

أَنَّهُ قَالَ لِابْنِ عَبَّاسٍ ؓ أَصَحِبْتَ النَّبِيَّ ﷺ مَا لَمْ أَصْحَبْهُ؟ أَنَا سَمِعْتُ النَّبِيَّ ﷺ يَقُولُ «الذَّهَبُ بِالذَّهَبِ مِثْلًا بِمِثْلٍ وَالْفِضَّةُ بِالْفِضَّةِ مِثْلًا بِمِثْلٍ» فَقَالَ ابْنُ عَبَّاسٍ حَدَّثَنِي أُسَامَةُ «أَنَّ ذَلِكَ كَانَ نَسَأً»