Rust

Therefore this is what the Lord GOD says: ‘Woe to the city of bloodshed, to the pot now rusted, whose rust will not come off! Empty it piece by piece; cast no lots for its contents.

Set the empty pot on its coals until it becomes hot and its copper glows. Then its impurity will melt within; its rust will be consumed.

It has frustrated every effort; its thick rust has not been removed, even by the fire.

Do not store up for yourselves treasures on earth, where moth and rust destroy, and where thieves break in and steal.

But store up for yourselves treasures in heaven, where moth and rust do not destroy, and where thieves do not break in and steal.