All high places. — i.e., the bare treeless heights so often chosen as the site of an idolatrous sanctuary.
The sword of the Lord. — As in the cry of “the sword of Jehovah and of Gideon” (Judges 7:18) all man’s work in war is thought of as instrumental in working out a Will mightier than his own. The sword of the Chaldean invader was, after all, His sword. The thought was more or less the common inheritance of Israel, but it had recently received a special prominence from Deuteronomy 32:41.
No flesh shall have peace. — The context limits the prediction to the offenders of the cities of Judah. As peace was for the Israelite the sum and substance of all blessedness, so its absence was the extremest of all maledictions. “Flesh” is used, as in Genesis 6:3, for man’s nature as evil and corrupt.