Then Moses and the Israelites sang this song to the Lord and spoke, saying: “I will sing to the Lord, for He has triumphed gloriously! He has thrown the horse and his rider into the sea!
Go and proclaim in the ears of Jerusalem, saying, Thus says the Lord: I remember you, the kindness of your youth, the love of your espousals, when you followed Me in the wilderness, in a land that was not sown.
And on that day, says the Lord of Hosts, I will cut off the names of the idols from the land, and they will not be remembered any more. And I will also remove from the land the prophets and the unclean spirit.
Then they erected over him a large pile of stones, which is still there today. So the Lord turned from His burning anger. Therefore the name of the place is called the Valley of Achor to this day.