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:420-546bIbn ʿAbbās
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السيوطي:٤٢٠-٥٤٦b

"عَنِ ابْن عَبَّاسٍ قَالَ: قَالَ لِى رَسُولُ اللهِ ﷺ : إِذا سَكَنَ بَنوكَ السواد وَلَبسوا السواد، وَكَانَ شِيعَتُهُمْ أَهْل خراسَان لَمْ يَزل هَذَا الأَمْر فيهِمْ حتى يَدْفَعُوهُ إِلَى عِيسى ابْن مَرْيَمَ".  

ابن النجار