Because they have forsaken me, and have estranged this place, and have burned incense in it unto other gods, whom neither they nor their fathers have known, nor the kings of Judah, and have filled this place with the blood of innocents;
This place — Either this city, or this valley, which they had turned to an use quite contrary to the end for which God gave it them.
 They have built also the high places of Baal, to burn their sons with fire for burnt offerings unto Baal, which I commanded not, nor spake it, neither came it into my mind:
To burn — This and the following verse, contain another great sin of this people, with the punishment which God proportions to it. The sin in the general was idolatry, but a most barbarous species of it, mentioned also chap. Isaiah 30:33. Baal and Molech, signify the same thing; Baal signifies a Lord, Molech a King. Both Baal and Molech seem common names to all idols.
 And I will make void the counsel of Judah and Jerusalem in this place; and I will cause them to fall by the sword before their enemies, and by the hands of them that seek their lives: and their carcases will I give to be meat for the fowls of the heaven, and for the beasts of the earth.
In this place — In this place, among others, I will make void all the counsels that the men of Judah and the inhabitants of Jerusalem, have taken to escape my righteous judgments.
 Thus will I do unto this place, saith the LORD, and to the inhabitants thereof, and even make this city as Tophet:
As Tophet — That is, a place of slaughter and burials.
 Then came Jeremiah from Tophet, whither the LORD had sent him to prophesy; and he stood in the court of the LORD's house; and said to all the people,
Then — Jeremiah had now dispatched the errand upon which God had sent him to Tophet, coming back by God's direction, he stands in the court, which was common to all people, where the most might hear.