Jeremiah
Jeremiah 3:9ESV·traditional attribution

Because she took her whoredom lightly, she polluted the land, committing adultery with stone and tree.

John Calvin Reformed @genevareformer

Here the Prophet completes his charge, — that so far was it that the punishment which God had inflicted on the Israelites, had any effect on the tribe of Judah, that she surpassed by her levity and lustfulness the whoredomes of her sister. She has polluted, he says, the land, or made the land to sin, that is, rendered the land guilty.

Matthew Henry Presbyterian @wholebiblehenry

The date of this sermon must be observed, in order to the right understanding of it; it was in the days of Josiah, who set on foot a blessed work of reformation, in which he was hearty, but the people were not sincere in their compliance with it; to reprove them for that, and warn them of the consequences of their hypocrisy, is the scope...

Commenting on Jeremiah 3:6-11

John Gill Reformed Baptist @doctorgill

And it came to pass, through the lightness of her whoredom,.... Or the "swiftness" (b) of it; when it was once set on foot, it ran through the land presently one taking it from and following the example of another; or it became a light thing with her to commit idolatry; it was looked upon as a small thing, a trivial offence at most: so...