Then Isaac dug again the wells of water which had been dug in the days of his father Abraham, but the Philistines had stopped them up after the death of Abraham; and he called them by the same names by which his father had called them.
This heap is a witness, and the pillar is a witness, that I will not pass by this heap to you for harm, and you will not pass by this heap and this pillar to me for harm.
And Joshua said to all the people, “Behold, this stone shall be for a witness against us, for it has heard all the words of Yahweh which He spoke to us; thus it shall be for a witness against you, lest you deny your God.”