He that abideth in this city, etc. No doubt Jeremiah often gave this counsel to his fellow-citizens (comp. Jeremiah 38:1, Jeremiah 38:17), and it appears from Jeremiah 38:19; Jeremiah 39:9; Jeremiah 52:15, that many of the Jews acted in accordance with it.
Falleth; more distinctly, falleth away (as Jeremiah 37:14, Authorized Version); i.e. goeth over to.