The Portion of Jacob is not like these, for He is the Maker of all things, and Israel is the tribe of His inheritance—the LORD of Hosts is His name.
We have said before, that superstitions cannot be from the heart and boldly rejected, except the true God be known; for the heathens, even when they disapproved of the opinions of the vulgar, yet reasoned on both sides, and knew nothing certain, and had no sure faith. It is, therefore, necessary that we should have previously a knowledge of the true God.
The prophet Isaiah, when he prophesied of the captivity in Babylon, added warnings against idolatry and largely exposed the sottishness of idolaters, not only because the temptations in Babylon would be in danger of drawing the Jews there to idolatry, but because the afflictions in Babylon were designed to cure them of their idolatry.
Commenting on Jeremiah 10:1-16
The portion of Jacob is not like them,.... Like those idols, vain, and the work of errors, or shall perish; even the true God, who is the portion of his people, of Jacob, whom he has chosen and redeemed; who call themselves by the name of Jacob, and are Israelites indeed, and plain hearted ones; and who have seen the insufficiency of all other portions...