Narrated Abu Musa: The Prophet said, "The Mamluk (slave) who worships his Lord in a perfect manner, and is dutiful, sincere and obedient to his Saiyid (master), will get a double reward."
Hadith ReferenceSahih Bukhari / The Book of Manumission (of Slaves) / Hadith: 2551
Hadith Gradingمحدثین:أحاديث صحيح البخاريّ كلّها صحيحة