Sahih al-Bukhari 6715
Book 84: Expiation for Unfulfilled Oaths · Narrated by Abu Huraira
Arabic
حَدَّثَنَا مُحَمَّدُ بْنُ عَبْدِ الرَّحِيمِ، حَدَّثَنَا دَاوُدُ بْنُ رُشَيْدٍ، حَدَّثَنَا الْوَلِيدُ بْنُ مُسْلِمٍ، عَنْ أَبِي غَسَّانَ، مُحَمَّدِ بْنِ مُطَرِّفٍ عَنْ زَيْدِ بْنِ أَسْلَمَ، عَنْ عَلِيِّ بْنِ حُسَيْنٍ، عَنْ سَعِيدٍ ابْنِ مَرْجَانَةَ، عَنْ أَبِي هُرَيْرَةَ، عَنِ النَّبِيِّ صلى الله عليه وسلم قَالَ " مَنْ أَعْتَقَ رَقَبَةً مُسْلِمَةً، أَعْتَقَ اللَّهُ بِكُلِّ عُضْوٍ مِنْهُ عُضْوًا مِنَ النَّارِ، حَتَّى فَرْجَهُ بِفَرْجِهِ ".
English translation
Narrated Abu Huraira:The Prophet (ﷺ) said, "If somebody manumits a Muslim slave, Allah will save from the Fire every part of his body for freeing the corresponding parts of the slave's body, even his private parts will be saved from the Fire) because of freeing the slave's private parts
Reference: Sahih al-Bukhari 6715, Book of Expiation for Unfulfilled Oaths. English translation by Dr. Muhammad Muhsin Khan.