John Calvin on Jeremiah 44:27

Here he more dearly expresses what he had said in the last verse, that none of the Jews would remain alive in Egypt. He now then points out the manner, even because he would not cease to consume them until they wholly perished and were brought to final ruin. He had said, No more shall my name be called, nor shall the Jews in Egypt swear, Live doth Jehovah; and why? because I will destroy them all, so that there will be none remaining in Egypt to pollute under a false pretense my name.

I will watch over them, he says, for evil and not for good This mode of speaking we have observed elsewhere, and explained why the Prophets spoke thus, even because hypocrites, though they think God cares not for human affairs, and imagine that he sleeps in heaven, and hence audaciously provoke him, as though they were fugitives and their purpose hid from God, yet boast of God’s providence, and pretend that they acquiesce confidently in him. For this reason the Prophet answered, that God watched indeed, but not for good We then perceive the object of the Prophet; he derided the presumption of the people, who thought that God had a care for their safety. He then says, that God indeed does not sleep, but that this would bring no benefit to hypocrites; for though God watches as a father to preserve his own people, he yet watches as a judge to destroy all the ungodly. It follows, —

Jeremiah 44:28

28. Yet a small number that escape the sword shall return out of the land of Egypt into the land of Judah, and all the remnant of Judah, that are gone into the land of Egypt to sojourn there, shall know whose words shall stand, mine, or theirs.

28. Et qui evaserint e gladio re-vertentur e terra Aegypti in terram Jehudah pauci numero; et cognoscent omnes reliquiae Jehudah, quae ingressi sunt terram Aegypti, ut habitarent illic, sermo quis stabit a me, an ab ipsis.