Sahih Muslim 6387
صحيح مسلم#6387Sahihحَدَّثَنَا عُبَيْدُ اللَّهِ بْنُ مُعَاذٍ، حَدَّثَنَا أَبِي، حَدَّثَنَا شُعْبَةُ، عَنْ عَدِيٍّ، - وَهُوَ ابْنُ ثَابِتٍ - قَالَ سَمِعْتُ الْبَرَاءَ بْنَ عَازِبٍ، قَالَ سَمِعْتُ رَسُولَ اللَّهِ صلى الله عليه وسلم يَقُولُ لِحَسَّانَ بْنِ ثَابِتٍ " اهْجُهُمْ أَوْ هَاجِهِمْ وَجِبْرِيلُ مَعَكَ " .
Al-Bari' b. 'Azib reported:I heard Allah's Messenger (ﷺ) as saying: Hassan b. Thibit, write satire (against the non-believers) ; Gabriel is with you
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
Every narration in Sahih Muslim is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 44:217