If those ordinances depart, &c.— These promises cannot respect the carnal Jews; they certainly regard another people, who were taken into their place, and succeeded to their prerogatives and promises; that is, the church of Jesus Christ, which shall subsist for ever, consisting of all the faithful redeemed.
Related Commentaries of Jeremiah 31:36
Jeremiah 31:36-37
36 If those ordinances depart from before me, saith the LORD, then the seed of Israel also shall cease from being a nation before me for ever.
37 Thus saith the LORD; If heaven above can be measured, and the foundations of the earth searched out beneath, I will also cast off all the seed of Israel for all that they have done, saith the LORD.