John Calvin Reformed @genevareformer

Here the Prophet explains more fully their sin; for their punishment might have appeared extreme, had not their impiety been more clearly unfolded. He then says that this punishment ought not to be regarded as too rigid, because God had not once only protested against the Jews and admonished them in a solemn manner and before witnesses; but they to the last not, only despised...

Matthew Henry Presbyterian @wholebiblehenry

We have here the answer which Jeremiah was sent to deliver to those who employed him to ask counsel of God. I. It did not come immediately, not till ten days after, Jer 42:7. They were thus long held in suspense, perhaps, to punish them for their hypocrisy or to show that Jeremiah did not speak of himself, nor what he would, for he could...

Commenting on Jeremiah 42:7-22

John Gill Reformed Baptist @doctorgill

For ye dissembled in your hearts,.... Did not honestly and faithfully declare their intentions; they said one thing with their mouths, and meant another in their minds; they pretended they would act according to the will of God, as it should be made known to them by him, when they were determined to take their own way.