Sahih al-Bukhari 4673
صحيح البخاري#4673Sahihحَدَّثَنَا يَحْيَى، حَدَّثَنَا اللَّيْثُ، عَنْ عُقَيْلٍ، عَنِ ابْنِ شِهَابٍ، عَنْ عَبْدِ الرَّحْمَنِ بْنِ عَبْدِ اللَّهِ، أَنَّ عَبْدَ اللَّهِ بْنَ كَعْبِ بْنِ مَالِكٍ، قَالَ سَمِعْتُ كَعْبَ بْنَ مَالِكٍ، حِينَ تَخَلَّفَ عَنْ تَبُوكَ، وَاللَّهِ، مَا أَنْعَمَ اللَّهُ عَلَىَّ مِنْ نِعْمَةٍ بَعْدَ إِذْ هَدَانِي أَعْظَمَ مِنْ صِدْقِي رَسُولَ اللَّهِ صلى الله عليه وسلم أَنْ لاَ أَكُونَ كَذَبْتُهُ فَأَهْلِكَ كَمَا هَلَكَ الَّذِينَ كَذَبُوا حِينَ أُنْزِلَ الْوَحْىُ {سَيَحْلِفُونَ بِاللَّهِ لَكُمْ إِذَا انْقَلَبْتُمْ إِلَيْهِمْ} إِلَى {الْفَاسِقِينَ}.
Narrated `Abdullah bin Ka`b:I heard Ka`b bin Malik at the time he remained behind and did not join (the battle of) Tabuk, saying, "By Allah, no blessing has Allah bestowed upon me, besides my guidance to Islam, better than that of helping me speak the truth to Allah's Messenger (ﷺ) otherwise I would have told the Prophet (ﷺ) a lie and would have been ruined like those who had told a lie when the Divine Inspiration was revealed:-- "They will swear by Allah to you (Muslims) when you return to them.. the rebellious people
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: 65:195