Jeremiah
Jeremiah 44:29ESV·traditional attribution

This shall be the sign to you, declares the LORD, that I will punish you in this place, in order that you may know that my words will surely stand against you for harm:

John Calvin Reformed @genevareformer

Jeremiah seals his prophecy by adding a sign which yet was to be coincident with it. It was not then, as they say, a premonstrative sign. And doubtless the Jews were wholly unworthy that God should shew them anything extraordinary; but this sign was only added, that they might know that they in vain trusted in the protection of Egypt, and also that every excuse might be taken away.

Matthew Henry Presbyterian @wholebiblehenry

Daring sinners may speak many a bold word and many a big word, but, after all, God will have the last word; for he will be justified when he speaks, and all flesh, even the proudest, shall be silent before him. Prophets may be run down, but God cannot; nay, here the prophet would not. I.

Commenting on Jeremiah 44:20-30

John Gill Reformed Baptist @doctorgill

And this shall be a sign unto you, saith the Lord, that I will punish you in this place,.... In Egypt, as before threatened; and what follows is a confirming sign that so it would be; and which, when observed by some, gave the hint to them to make their escape; though others, being hardened in their idolatry, impenitence, and unbelief, continued, and perished: that...