And it was [so] from that day forward
Or "upwards" F24, of old, formerly; and so may refer either to what was done at the war with Midian, ( Numbers 31:27 ) ; or in the times of Abraham, ( Genesis 14:23 Genesis 14:24 ) ; and so Jarchi observes, it is not said, "henceforward", but "upwards", it being a statute and custom in the days of Abraham; the same he notes on ( Genesis 14:24 ) ; where he, David, learnt this from thence; though Josephus
F25 is express for it, that this law obtained from the time of David; and such was his authority, though as yet not king, but a wise and just commander:
that he made it a statute and an ordinance for Israel unto this day;
it appeared so reasonable and equitable, that it was always regarded and attended to.