Too many Christians get wrapped up in “things” and lose the joy and peace they ought to have in Christ. They “mind earthly things” and lack that spiritual mind of the dedicated believer. Notice how many times the word “things” is used in this chapter. Here Paul describes the spiritual mind—the mind that thinks God’s thoughts and is directed toward God’s goals.
Once there was a man in an art gallery picking up & carrying around various paintings. He pretended to be somebody - many of the guests even thought he was an artist or an art dealer. Yet when closing time came, he could not carry the paintings out the door... You and I might look or act like 'owners' but when this life is over, it is certain that we will leave it all here. You can't take it with you!