Genesis 17:10-12
This is My covenant with you and your descendants after you, which you are to keep: Every male among you must be circumcised. / You are to circumcise the flesh of your foreskin, and this will be a sign of the covenant between Me and you. / Generation after generation, every male must be circumcised when he is eight days old, including those born in your household and those purchased from a foreigner—even those who are not your offspring.

Genesis 17:23-27
On that very day Abraham took his son Ishmael and all those born in his household or purchased with his money—every male among the members of Abraham’s household—and he circumcised them, just as God had told him. / So Abraham was ninety-nine years old when he was circumcised, / and his son Ishmael was thirteen; ...

Leviticus 12:3
And on the eighth day the flesh of the boy’s foreskin is to be circumcised.

Acts 7:8
Then God gave Abraham the covenant of circumcision, and Abraham became the father of Isaac and circumcised him on the eighth day. And Isaac became the father of Jacob, and Jacob of the twelve patriarchs.

Romans 4:11
And he received the sign of circumcision as a seal of the righteousness that he had by faith while he was still uncircumcised. So then, he is the father of all who believe but are not circumcised, in order that righteousness might be credited to them.

Galatians 5:3
Again I testify to every man who gets himself circumcised that he is obligated to obey the whole law.

Philippians 3:5
circumcised on the eighth day, of the people of Israel, of the tribe of Benjamin; a Hebrew of Hebrews; as to the law, a Pharisee;

Luke 1:59
On the eighth day, when they came to circumcise the child, they were going to name him after his father Zechariah.

Luke 2:21
When the eight days before His circumcision had passed, He was named Jesus, the name the angel had given Him before He was conceived.

John 7:22-23
But because Moses gave you circumcision, you circumcise a boy on the Sabbath (not that it is from Moses, but from the patriarchs.) / If a boy can be circumcised on the Sabbath so that the law of Moses will not be broken, why are you angry with Me for making the whole man well on the Sabbath?

Joshua 5:2-9
At that time the LORD said to Joshua, “Make flint knives and circumcise the sons of Israel once again.” / So Joshua made flint knives and circumcised the sons of Israel at Gibeath-haaraloth. / Now this is why Joshua circumcised them: All those who came out of Egypt—all the men of war—had died on the journey in the wilderness after they had left Egypt. ...

Exodus 4:25-26
But Zipporah took a flint knife, cut off her son’s foreskin, and touched it to Moses’ feet. “Surely you are a bridegroom of blood to me,” she said. / So the LORD let him alone. (When she said, “bridegroom of blood,” she was referring to the circumcision.)

Deuteronomy 10:16
Circumcise your hearts, therefore, and stiffen your necks no more.

Jeremiah 4:4
Circumcise yourselves to the LORD, and remove the foreskins of your hearts, O men of Judah and people of Jerusalem. Otherwise, My wrath will break out like fire and burn with no one to extinguish it, because of your evil deeds.”

Colossians 2:11-12
In Him you were also circumcised, in the putting off of your sinful nature, with the circumcision performed by Christ and not by human hands. / And having been buried with Him in baptism, you were raised with Him through your faith in the power of God, who raised Him from the dead.