23. And I say to you, Let My son go, that he may serve Me; and if you refuse to let him go, behold, I will slay your son, your firstborn.
24. Along the way at a [resting-] place, the Lord met [Moses] and sought to kill him [made him acutely and almost fatally ill].
25. [Now apparently he had failed to circumcise one of his sons, his wife being opposed to it; but seeing his life in such danger] Zipporah took a flint knife and cut off the foreskin of her son and cast it to touch [Moses'] feet, and said, Surely a husband of blood you are to me!
26. When He let [Moses] alone [to recover], Zipporah said, A husband of blood are you because of the circumcision.
27. The Lord said to Aaron, Go into the wilderness to meet Moses. And he went, and met him in the mountain of God [Horeb, or Sinai] and kissed him.