Numbers 21:13-14

MSTC(i) 13 And they departed thence and pitched on the other side of Arnon, which river is in the wilderness, and cometh out of the coasts of the Amorites: for Arnon is the border of Moab, between Moab and the Amorites. 14 Wherefore it is spoken in the book of the war of the LORD, "Go with a violence, both on the river of Arnon