Sahih Muslim 6160
صحيح مسلم#6160Sahihحَدَّثَنَا مُحَمَّدُ بْنُ الْمُثَنَّى، وَابْنُ، بَشَّارٍ - وَاللَّفْظُ لاِبْنِ الْمُثَنَّى - قَالاَ حَدَّثَنَا مُحَمَّدُ، بْنُ جَعْفَرٍ حَدَّثَنَا شُعْبَةُ، عَنْ قَتَادَةَ، قَالَ سَمِعْتُ أَبَا الْعَالِيَةِ، يَقُولُ حَدَّثَنِي ابْنُ عَمِّ، نَبِيِّكُمْ صلى الله عليه وسلم - يَعْنِي ابْنَ عَبَّاسٍ - عَنِ النَّبِيِّ صلى الله عليه وسلم قَالَ " مَا يَنْبَغِي لِعَبْدٍ أَنْ يَقُولَ أَنَا خَيْرٌ مِنْ يُونُسَ بْنِ مَتَّى " . وَنَسَبَهُ إِلَى أَبِيهِ .
Abu al-Aliya said:The son of the uncle of your Prophet (ﷺ), i. e. Ibn Abbas, reported Allah's Messenger (ﷺ) as saying: It is not meet for a servant that he should say: I am better than Yunus b. Matta (and this Matta) is the name of his father
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: 43:218