Genesis 26:18

“And Isaac digged again the wells of water, which they had digged in the days of Abraham his father, etc.] This seems to refer to the same wells made mention of in (<012615>Genesis 26:15), since it follows, for the Philistines had stopped them after the death of Abraham; these were what Abraham’s servants had dug, when he lived at Gerar, and which the Philistines durst not stop during his life; but when he was dead and particularly out of envy to Isaac his son, whom they observed to prosper much, they stopped them up, that he might have no benefit by them; for otherwise they would scarcely have stopped them, if he had not been upon the spot, but would have made use of them themselves. The…”

“Isaac digged again the wells of water--The naming of wells by Abraham, and the hereditary right of his family to the property, the change of the names by the Philistines to obliterate the traces of their origin, the restoration of the names by Isaac, and the contests between the respective shepherds to the exclusive possession of the water, are circumstances that occur among the natives in those regions as frequently in the present day as in the time of Isaac.”