Because it is contained in scripture, Behold, I lay in Zion a chief corner stone, elect, precious: And he that believeth on him shall not be put to shame.
And, behold, I will send the lad, [saying], Go, find the arrows. If I say unto the lad, Behold, the arrows are on this side of thee; take them, and come; for there is peace to thee and [ no hurt, as Jehovah liveth.
Then they went through the wilderness, and went around the land of Edom, and the land of Moab, and came by the east side of the land of Moab, and they encamped on the other side of the Arnon; but they came not within the border of Moab, for the Arnon was the border of Moab.