Exodus 4:24-26
And then suddenly thought what the ?????24 At a lodging place on the way, the Lord met Moses and was about to kill him. 25 But Zipporah took a flint knife, cut off her son’s foreskin and touched Moses’ feet with it. “Surely you are a bridegroom of blood to me,” she said. 26 So the Lord let him alone. (At that time she said “bridegroom of blood,” referring to circumcision.
Did a little research and found this fascinating article on it.
http://faculty.gordon.edu/hu/bi/ted_hil ... y-bsac.pdf
This serves as almost an embarrassment to Moses - especially the fact that this might have led to a separation of Moses from Zipporah, which gives more credibility to the story.
Just a question that I have puzzled with for ages is - Why circumcision? How did the mutilation of your genitals make you alright with God - Always sounded very barbaric to me.