عَنْ أَبِي هُرَيْرَةَ رضي الله عنه
قَالَ: قَالَ رَسُولُ الله صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ: «لَا يَجْزِي وَلَدٌ وَالِدًا إِلاَّ أَنْ يَجِدَهُ مَمْلُوكًا فَيَشْتَرِيَهُ فَيُعْتِقَهُ»
Messenger of Allah (sallallahu alayhi wa sallam) said, “No son can repay (the kindness shown by his father) unless he finds him a slave and buys him and emancipates him”.