´It was narrated from Salim, from his father, that the Messenger of Allah said:` "Whoever sets free his share of a slave should set him free completely from his own wealth, if he has enough wealth to cover the price of the slave."
Hadith ReferenceSunan an-Nasa'i / The Book of Financial Transactions / Hadith: 4702
Hadith Gradingالألبانی:صحيح | زبیر علی زئی:صحيح مسلم