An Attached Fuel Hose
This really spoke to me. It reminded me that things of this world are nothing. They are worthless compared to belonging to God and being His child. I know I have a long way to go to be untangled from this world and what it offers and how it is, but I am trying. Each day I try a little and each day that does more for me than others things. But each day I have to keep trying to be free from this world and more focused on God's will and I still don't always follow through.
I also like Psalms 34.