Abu Huraira reported: The Messenger of Allah, peace and blessings be upon him, said, “No child can repay his father unless he finds him as a slave, buys him, and sets him free.”
Source: Ṣaḥīḥ Muslim 1510
Grade: Sahih (authentic) according to Muslim
عَنْ أَبِي هُرَيْرَةَ قَالَ قَالَ رَسُولُ اللهِ صَلَّى اللهُ عَلَيْهِ وَسَلَّمَ لَا يَجْزِي وَلَدٌ وَالِدًا إِلَّا أَنْ يَجِدَهُ مَمْلُوكًا فَيَشْتَرِيَهُ فَيُعْتِقَهُ
1510 صحيح مسلم كتاب العتق باب فضل عتق الوالد