Matthew Henry on Leviticus 20:22–end
The last verse is a particular law, which comes in after the general conclusion, as if omitted in its proper place: it is for the putting of those to death that dealt with familiar spirits, Lev 20:27. It would be an affront to God and to his lively oracles, a scandal to the country, and a temptation to ignorant bad people, to consult them, if such were known and suffered to live among them. Those that are in league with the devil have in effect made a covenant with death and an agreement with hell, and so shall their doom be.
The rest of these verses repeat and inculcate what had been said before; for to that unthinking forgetful people it was requisite that there should be line upon line, a…
Read the whole note in the consoleJamieson-Fausset-Brown on Leviticus 20:20
they shall die childless--Either by the judgment of God they shall have no children, or their spurious offspring shall be denied by human authority the ordinary privileges of children in Israel.
Adam Clarke on Leviticus 20:22
The land, whither I bring you to dwell therein, spue you not out - See this energetic prosopopoeia explained in the note on Lev 18:25 (note). From this we learn that the cup of the iniquities of the Canaanitish nations was full; and that, consistently with Divine justice, they could be no longer spared.
John Gill on Leviticus 20:23
And ye shall not walk in the manners of the nation which I cast out before you,.... Nation seems to be put for nations, for there were seven nations cast out for them; though the Canaanites may be intended, being a general name for the whole: some think the Amorites are meant, who were a principal nation, and notorious for their wickedness: hence we often meet with this phrase in Jewish writings, "the way of the Amorites", as being exceeding bad, and so to be avoided, and by no means to be walked in, Genesis 15:16,
for they committed all these things; were guilty of all the idolatries, incests, and uncleannesses before mentioned, and forbid under severe penalties:
and therefore I abhorred…