Genesis 17:10-13 ▼

10 this is My covenant which ye keep between Me and you, and thy seed after thee: Every male of you is to be circumcised;

11 and ye have circumcised the flesh of your foreskin, and it hath become a token of a covenant between Me and you.

12 'And a son of eight days is circumcised by you; every male to your generations, born in the house, or bought with money from any son of a stranger, who is not of thy seed;

13 he is certainly circumcised who is born in thine house, or bought with thy money; and My covenant hath become in your flesh a covenant age-during;