Those phrases, I have sent, and I have driven, &c., are diligently to be observed by us. There is no evil in cities or nations which is an evil of punishment, but, whoever be the instruments to bring it, God is the author of it. These phrases also signified to those Jews that God was likeliest to know best how long they should stay there, because he sent them thither.
Related Commentaries of Jeremiah 29:20
Jeremiah 29:20
20 Hear ye therefore the word of the LORD, all ye of the captivity, whom I have sent from Jerusalem to Babylon: