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.
suyuti:4-2156bYaḥyá b. Usayd > ʿAli b. Abiá Ṭālib Arsal ʿAbdullāh b. ʿAbbās > Aqwām Kharajūā > Lah In
Request/Fix translation

  

السيوطي:٤-٢١٥٦b

"عَنْ يَحْيَى بْنِ أُسَيْدٍ : أَنَّ عَلِىَّ بْنَ أَبِى طَالِبٍ أَرْسَلَ عَبْدَ الله بْنَ عَبَّاسٍ إِلَى أَقْوَامٍ خَرَجُوا، فَقَالَ لَهُ: إِنْ خَاصَمُوكَ بِالْقُرْآنِ فَخَاصِمْهُم بِالسُّنَّةِ".  

ابن أبى زمنين في أصول السنة