Genesis 17:7
7 And I will vestablish my covenant between me and you and your offspring after you throughout their generations for an everlasting covenant, wto be God to you and to your offspring after you.
Genesis 17:9–11
9 And God said to Abraham, “As for you, you shall keep my covenant, you and your offspring after you throughout their generations. 10 This is my covenant, which you shall keep, between me and you and your offspring after you: Every male among you shall be circumcised. 11 You shall be circumcised in the flesh of your foreskins, and it shall be a zsign of the covenant between me and you.