Yirmyahu is telling a prophecy to the people of Israel
So God said: "If you improve your ways and become better people, I will let you stay in the Beit Hamikdash for eternity."
"You people are sinning, killing, stealing, committing adultery, and then you come to the Beit Hamikdash and expect me to forgive you?!"
"Now, go to my place in Shiloh and look what I did there because of the bad people. If you continue in these ways, I will do the same to you. I will outcast you and I will not listen to your prayers."
"My wrath reaches this place upon every living thing. So add your burn offering on your sacrifices and eat the meat. Because I did not command your forefather to burn me sacrifices, but to obey me and go in my ways. But you have not obeyed and you have gone backwards."
"Since you left Egypt, I have sent many angels and prophets to warn you about your wrong doings, and every time you have hearkened your heart unto them."
"So the day will come when 'Topheth of the Valley' will be called the 'Valley of Slaughter' because of lack of room on Topheth. I will end all joy in the streets of. Jerusalem will be completely desolate."