Deuteronomy 23:4

So he sent messengers to Balaam the son of Beor, at Pethor, which is near the River, in the land of the sons of his people, to call him, saying, “Behold, a people came out of Egypt; behold, they cover the surface of the land, and they are settled opposite me.

Then he took up his discourse and said, “From Aram Balak has brought me, Moab’s king from the mountains of the East, ‘Come curse Jacob for me, And come, denounce Israel!’

On that day they read from the book of Moses in the hearing of the people; and there was found written in it that no Ammonite or Moabite should ever enter the assembly of God,

Concerning the sons of Ammon. Thus says Yahweh: “Does Israel have no sons? Or has he no one who can take possession? Why then has Malcam taken possession of Gad And his people settled in its cities?

“You have heard that it was said, ‘You shall love your neighbor and hate your enemy.’

Forsaking the right way, they have gone astray, having followed the way of Balaam, the son of Beor, who loved the wages of unrighteousness,