Joe: Alright, so we have Bible Expert with us today and he's going to tell us about the book of Jeremiah, chapter 4! What have we got?

Bible Expert: Well, Joe, in Jeremiah 4, God is warning that the people's sins have brought destruction and judgment upon them. He commands them to turn back to him and repent for their wickedness.

Joe: Wow, sounds pretty serious. What kind of destruction and judgment is God talking about?

Bible Expert: Well, God warns that if they don't turn back, he will bring on them a drought, famine, and pestilence, and that their enemies will come in and take their land.

Joe: Ouch! That sounds like it would be really hard to deal with.

Bible Expert: Indeed, it would be. God tells them that if they don't turn back, he will make their land desolate, and the cities will be destroyed.

Joe: So what's the lesson here?

Bible Expert: The lesson is that God is always watching and waiting for us to turn back to him. He always wants us to repent and turn back to him, and if we don't, he will bring judgment and destruction upon us.