(10, 11) باب الْقَوَدِ مِنَ السَّيِّدِ لِلْمَوْلَى
It was narrated from Samurah that the Prophet said:
"Whoever kills his slave, we will kill him, and whoever mutilates his slave, we will mutilate him."
Reference: Sunan an-Nasa'i 4737
In-book reference: Book 45, Hadith 32
English translation: Vol. 5, Book 45, Hadith 4741