Sahih al-Bukhari 1436
صحيح البخاري#1436Sahihحَدَّثَنَا عَبْدُ اللَّهِ بْنُ مُحَمَّدٍ، حَدَّثَنَا هِشَامٌ، حَدَّثَنَا مَعْمَرٌ، عَنِ الزُّهْرِيِّ، عَنْ عُرْوَةَ، عَنْ حَكِيمِ بْنِ حِزَامٍ ـ رضى الله عنه ـ قَالَ قُلْتُ يَا رَسُولَ اللَّهِ أَرَأَيْتَ أَشْيَاءَ كُنْتُ أَتَحَنَّثُ بِهَا فِي الْجَاهِلِيَّةِ مِنْ صَدَقَةٍ أَوْ عَتَاقَةٍ وَصِلَةِ رَحِمٍ فَهَلْ فِيهَا مِنْ أَجْرٍ فَقَالَ النَّبِيُّ صلى الله عليه وسلم " أَسْلَمْتَ عَلَى مَا سَلَفَ مِنْ خَيْرٍ ".
Narrated Hakim bin Hizam:I said to Allah's Messenger (ﷺ), "Before embracing Islam I used to do good deeds like giving in charity, slave-manumitting, and the keeping of good relations with Kith and kin. Shall I be rewarded for those deeds?" The Prophet (ﷺ) replied, "You became Muslim with all those good deeds (Without losing their reward)
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: 24:39