“9 As for you, you shall keep my covenant, you and your offspring after you throughout their generations.
10 This is my covenant, which you shall keep, between me and you and your offspring after you: Every male among you shall be circumcised.
11 You shall be circumcised in the flesh of your foreskins, and it shall be a sign of the covenant between me and you.
12 He who is eight days old among you shall be circumcised. Every male throughout your generations, whether born in your house or bought with your money from any foreigner who is not of your offspring,
13 both he who is born in your house and he who is bought with your money, shall surely be circumcised. So shall my covenant be in your flesh an everlasting covenant.
14 Any uncircumcised male who is not circumcised in the flesh of his foreskin shall be cut off from his people; he has broken my covenant.”
~ Genesis 17:9-14
In the book of Exodus, God commands Moses to go to Egypt to demand that Pharaoh release the Israelites from slavery. Something interesting happens on the way…
24 At a lodging place on the way the Lord met him and sought to put him to death.
25 Then Zipporah took a flint and cut off her son’s foreskin and touched Moses’ feet with it and said, “Surely you are a bridegroom of blood to me!”
26 So he let him alone. It was then that she said, “A bridegroom of blood,” because of the circumcision.
~ Exodus 4:24-26