Sahih al-Bukhari 4564
صحيح البخاري#4564Sahihحَدَّثَنَا مَالِكُ بْنُ إِسْمَاعِيلَ، حَدَّثَنَا إِسْرَائِيلُ، عَنْ أَبِي حَصِينٍ، عَنْ أَبِي الضُّحَى، عَنِ ابْنِ عَبَّاسٍ، قَالَ كَانَ آخِرَ قَوْلِ إِبْرَاهِيمَ حِينَ أُلْقِيَ فِي النَّارِ حَسْبِيَ اللَّهُ وَنِعْمَ الْوَكِيلُ.
Narrated Ibn `Abbas:The last statement of Abraham when he was thrown into the fire was:--"Allah is Sufficient for us and He is the Best Disposer (of affairs for us)
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: 65:86