Declare this in the house of Jacob; proclaim it in Judah:
The Prophet confirms what he had said, lest the Jews should think that they were only terrified by words, and not dread the consequences. Hence he says, Declare this The Prophet, no doubt, alludes to a custom which prevailed; for wars were usually proclaimed by heralds. Enemies did not immediately march forth, but they proclaimed war that the cause might appear just.
The prophet, having reproved them for sin and threatened the judgments of God against them, is here sent to them again upon another errand, which he must publish in Judah; the purport of it is to persuade them to fear God, which would be an effectual principle of their reformation, as the want of that fear had been at the bottom of their apostasy. I.
Commenting on Jeremiah 5:20-24
Declare this in the house of Jacob,.... That a mighty nation should come and destroy them, and they should be servants in a strange land; or rather the words seem to be an order to declare war against the Jews, and even in their own land; and do not seem to be addressed to the prophet, but to others, seeing the words are in the...