22. So you will say to Pharaoh, Thus says the Lord: Israel is my son, my firstborn.
23. I said to you: Let my son go, that he may serve me. Since you refused to let him go, I will kill your son, your firstborn.
24. On the journey, at a place where they spent the night, the Lord came upon Moses and sought to put him to death.
25. But Zipporah took a piece of flint and cut off her son’s foreskin and, touching his feet, she said, “Surely you are a spouse of blood to me.”
26. So God let Moses alone. At that time she said, “A spouse of blood,” in regard to the circumcision.