Romans 4:10
How, then, was it judged? when he had circumcision, or when he had it not? Not when he had it, but when he did not have it:
Genesis 15:5-6
And he took him out into the open air, and said to him, Let your eyes be lifted to heaven, and see if the stars may be numbered; even so will your seed be.
Genesis 15:16
And in the fourth generation they will come back here; for at present the sin of the Amorite is not full.
Genesis 16:1-3
Now Sarai, Abram's wife, had given him no children; and she had a servant, a woman of Egypt whose name was Hagar.
Genesis 17:1
When Abram was ninety-nine years old, the Lord came to him, and said, I am God, Ruler of all; go in my ways and be upright in all things,
Genesis 17:10
And this is the agreement which you are to keep with me, you and your seed after you: every male among you is to undergo circumcision.
Genesis 17:23-27
And Abraham took Ishmael, his son, and all whose birth had taken place in his house, and all his servants whom he had made his for a price, every male of his house, and on that very day he gave them circumcision in the flesh of their private parts as God had said to him.
1 Corinthians 7:18-19
If any man who is a Christian has had circumcision, let him keep so; and if any man who is a Christian has not had circumcision, let him make no change.
Galatians 5:6
Because in Christ Jesus, having circumcision or not having circumcision are equally of no profit; but only faith working through love.
Galatians 6:15
For having circumcision is nothing, and not having circumcision is nothing, but only a new order of existence.