Jer 4:3 | JFB | STEP | 3. Transition to Judah. Supply mentally. All which (the foregoing declaration as to Israel) applies to Judah. and Jerusalem-- that is, and especially the men of Jerusalem, as being the most prominent in Judea. Break ... fallow ground-- that is, Repent of your idolatry, and so be prepared to serve the Lord in truth ( ; ). The unhumbled heart is like ground which may be improved, being let out to us for that purpose, but which is as yet fallow, overgrown with weeds, its natural product.

‏ Jeremiah 4:3

3. Transition to Judah. Supply mentally. All which (the foregoing declaration as to Israel) applies to Judah.

and Jerusalem--that is, and especially the men of Jerusalem, as being the most prominent in Judea.

Break ... fallow ground--that is, Repent of your idolatry, and so be prepared to serve the Lord in truth (Ho 10:12; Mt 13:7). The unhumbled heart is like ground which may be improved, being let out to us for that purpose, but which is as yet fallow, overgrown with weeds, its natural product.