Genesis 17:9

9 Then God said to Abraham, "As for you, you must keep my covenant. You and your children after you for all time to come must keep it.

Genesis 17:9 Meaning and Commentary

Genesis 17:9

And God said unto Abraham, thou shalt keep my covenant
therefore
Observe the sign or token of it, circumcision, in the manner after related:

thou, and thy seed after thee, in their generations;
in successive ages until the Messiah come, the end of the law for righteousness.

Genesis 17:9 In-Context

7 "I will make my covenant with you. It will last forever. It will be between me and you and your children after you for all time to come. I will be your God. And I will be the God of all of your family after you.

8 "You are now living in Canaan as an outsider. But I will give you the whole land of Canaan. You will own it forever. So will your children after you. And I will be their God."

9 Then God said to Abraham, "As for you, you must keep my covenant. You and your children after you for all time to come must keep it.

10 "Here is my covenant that you and your children after you must keep. Every male among you must be circumcised.

11 You must be circumcised. That will be the sign of the covenant between me and you.