Therefore all they that devour thee shall be devoured; and all thine adversaries, every one of them, shall go into captivity; and they that spoil thee shall be a spoil, and all that prey upon thee will I give for a prey.
Therefore - connected with Jeremiah 30:13, because "there is none to plead thy cause," etc., "therefore" I will plead thy cause, and heal thy wound, by overwhelming thy foes. Jeremiah 30:15 is inserted to amplify what was said at the close of Jeremiah 30:14. When the false ways of peace, suggested by the so-called prophets, had only ended in the people's irremediable ruin, the true prophet comes forward to announce the grace of God as bestowing repentance and healing.
All they that devour thee shall be devoured; ... they that spoil thee shall be a spoil ... all that prey upon thee will I give for a prey - retribution in kind (cf. note, Jeremiah 2:3, "devour;" Exodus 23:22; Isaiah 33:1, "When thou (the Assyrian spoiler) shalt cease to spoil, thou shalt be spoiled; and when thou shalt make an end to deal treacherously, they shall deal treacherously with thee").