Sahih al-Bukhari 6717

Arabic

حَدَّثَنَا سُلَيْمَانُ بْنُ حَرْبٍ، حَدَّثَنَا شُعْبَةُ، عَنِ الْحَكَمِ، عَنْ إِبْرَاهِيمَ، عَنِ الأَسْوَدِ، عَنْ عَائِشَةَ، أَنَّهَا أَرَادَتْ أَنْ تَشْتَرِيَ، بَرِيرَةَ فَاشْتَرَطُوا عَلَيْهَا الْوَلاَءَ، فَذَكَرَتْ ذَلِكَ لِلنَّبِيِّ صلى الله عليه وسلم فَقَالَ ‏ "‏ اشْتَرِيهَا إِنَّمَا الْوَلاَءُ لِمَنْ أَعْتَقَ ‏"‏‏.‏

English translation

Narrated `Aisha:that she intended to buy Barira (a slave girl) and her masters stipulated that they would have her Wala'. When `Aisha mentioned that to the Prophet (ﷺ) ; he said, "Buy her, for the Wala' is for the one who manumits

Reference: Sahih al-Bukhari 6717, Book of Expiation for Unfulfilled Oaths. English translation by Dr. Muhammad Muhsin Khan.