The Lord being now about to bring enemies upon them, he bespeaks them in martial language, by stirring them to a speedy provision, and warning of them of the nature of their approaching judgment; not famine or plague within them, but a foreign enemy from without, Jer 6 1, viz. the coming of Nebuchadnezzar and the Chaldeans.
Cry, that your voice may be heard afar off, that all may hear.
Gather together; either to unite your forces, or to take counsel what to do, that you may be in safety; the same thing with
Assemble yourselves; implying that the calamity was general.
Let us go into the defenced cities, to secure from these invasions that are coming upon us.