Mwanzo 17:12

Kwa vizazi vijavyo, kila mwanaume miongoni mwenu mwenye siku nane ni lazima atahiriwe, pamoja na watakaozaliwa nyumbani mwako au walionunuliwa kwa fedha kutoka kwa mgeni, wale ambao sio watoto wako.

And he that is eight days old shall be circumcised among you, every man child in your generations, he that is born in the house, or bought with money of any stranger, which is not of thy seed.