And Abraham took his son Ishmael, and all that were born in his house, and all that were bought with his silver; every male among the men of Abraham's house; and circumcised the flesh of their foreskins in the same day, even as God said to him.
And when a stranger shall stay with you, and desires to keep the Passover to Jehovah, let all his males be circumcised, and then let him come near and keep it. And he shall be as one that is born in the land. And no uncircumcised person shall eat of it.
Circumcise yourselves to Jehovah, and take away the foreskins of your heart, men of Judah and people of Jerusalem; lest My fury come forth like fire, and burn so that none can put it out; because of the evil of your doings.
And He gave him the covenant of circumcision. And so Abraham fathered Isaac and circumcised him the eighth day. And Isaac fathered Jacob, and Jacob the twelve patriarchs.
whom God has set forth to be a propitiation through faith in His blood, to declare His righteousness through the passing by of the sins that had taken place before, in the forbearance of God;
Therefore remember that you, the nations, in time past were in the flesh, who are called Uncircumcision by that which is called the Circumcision in the flesh made by hands;
And Jehovah your God will circumcise your heart and the heart of your seed, to love Jehovah your God with all your heart and with all your soul, so that you may live.
And this is the reason why Joshua circumcised. All the people that came out of Egypt, the males, all the men of war, died in the wilderness by the wayside, after they came out of Egypt.