Genesis 17:13 WBT

¹¹  And ye shall circumcise the flesh of your foreskin; and it shall be a token of the covenant betwixt me and you.

¹²  And he that is eight days old shall be circumcised among you, every male-child in your generations, he that is born in the house, or bought with money of any stranger, who [is] not of thy seed.

¹³  He that is born in thy house, and he that is bought with thy money, must needs be circumcised: and my covenant shall be in your flesh for an everlasting covenant.

¹⁴  And the uncircumcised male-child, whose flesh of his foreskin is not circumcised, that soul shall be cut off from his people; he hath broken my covenant.

¹⁵  And God said to Abraham, As for Sarai thy wife, thou shalt not call her name Sarai, but Sarah [shall] her name [be].