Then Abraham took Ishmael, his son, and all who were born in his house, and all who were bought with his money, every male among the men of Abraham’s household, and circumcised the flesh of their foreskins that very same day as God had said to him.
Now when a stranger sojourns with you and keeps the Passover to the Lord, let all his males be circumcised, and then let him come near and keep it. And he shall be as one who is born in the land. However, no uncircumcised person shall eat of it.
Circumcise yourselves to the Lord, and take away the foreskins of your heart, you men of Judah and inhabitants of Jerusalem, lest My fury come forth like fire, and burn so that no one can quench it, because of the evil of your deeds.
Then He gave him 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 became the father of the twelve patriarchs.
whom God has set forth to be a propitiation through faith, in His blood, for a demonstration of His righteousness, because in His forbearance God had passed over the sins previously committed,
It is those who desire to make a good showing in the flesh that try to compel you to be circumcised, only that they may not be persecuted for the cross of Christ.
Therefore remember that formerly you, the Gentiles in the flesh, who are called the “uncircumcision” by the so-called “circumcision” in the flesh by human hands,
The Lord your God will circumcise your heart and the heart of your descendants to love the Lord your God with all your heart and with all your soul, so that you may live.
Now this is the reason why Joshua circumcised them: All the males who came out of Egypt who were men of fighting age had died in the wilderness along the way after leaving Egypt.