Genesis 17:10-14
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. ...

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?

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;

Genesis 21:4
When his son Isaac was eight days old, Abraham circumcised him, as God had commanded him.

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.)

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. ...

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.”

Ezekiel 44:7-9
In addition to all your other abominations, you brought in foreigners uncircumcised in both heart and flesh to occupy My sanctuary; you defiled My temple when you offered My food—the fat and the blood; you broke My covenant. / And you have not kept charge of My holy things, but have appointed others to keep charge of My sanctuary for you.’ / This is what the Lord GOD says: No foreigner uncircumcised in heart and flesh may enter My sanctuary—not even a foreigner who lives among the Israelites.

Acts 15:1
Then some men came down from Judea and were teaching the brothers, “Unless you are circumcised according to the custom of Moses, you cannot be saved.”

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.