Sahih al-Bukhari 3559
صحيح البخاري#3559Sahihحَدَّثَنَا عَبْدَانُ، عَنْ أَبِي حَمْزَةَ، عَنِ الأَعْمَشِ، عَنْ أَبِي وَائِلٍ، عَنْ مَسْرُوقٍ، عَنْ عَبْدِ اللَّهِ بْنِ عَمْرٍو ـ رضى الله عنهما ـ قَالَ لَمْ يَكُنِ النَّبِيُّ صلى الله عليه وسلم فَاحِشًا وَلاَ مُتَفَحِّشًا وَكَانَ يَقُولُ " إِنَّ مِنْ خِيَارِكُمْ أَحْسَنَكُمْ أَخْلاَقًا ".
Narrated `Abdullah bin `Amr:The Prophet (ﷺ) never used bad language neither a "Fahish nor a Mutafahish. He used to say "The best amongst you are those who have the best manners and character." (See Hadith No. 56 (B) Vol
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 al-Bukhari is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 61:68