Then will. cause, &c. Reference to Pentateuch (Deuteronomy 4:40).
for ever and ever. Put by Figure of speech Synecdoche (of the Whole), for an age-abiding duration.
Related Commentaries of Jeremiah 7:7
Jeremiah 7:7
7 Then will I cause you to dwell in this place, in the land that I gave to your fathers, for ever and ever.