Jamieson, Fausset and Brown on Jeremiah 26:18

18. (Mi 3:12).

Morasthite--called so from a village of the tribe Judah.

Hezekiah--The precedent in the reign of such a good king proved that Jeremiah was not the only prophet, or the first, who threatened the city and the temple without incurring death.

mountain of the house--Moriah, on which stood the temple (peculiarly called "the house") shall be covered with woods instead of buildings. Jeremiah, in quoting previous prophecies, never does so without alteration; he adapts the language to his own style, showing thereby his authority in his treatment of Scripture, as being himself inspired.