Today I was talking with a co-worker about a CAT scan I have scheduled for next week (nothing too serious, but something my doctor wants to get checked out). My co-worker asked, "Do you have any metal in your body?"
"Yeah--the plate and screws in my arm that broke a few years ago."
"You should call the doctor back and let them know--it might impact the scan."
Thankfully, I learned that the metal in my arm won't impact my CAT scan, but it could definitely be a factor with an MRI test. My sister, who works at a hospital, told me that the magnet(s) used in MRI tests are so powerful that hospital staff members are strongly encouraged to ABSOLUTELY, NEVER EVER EVER take any metal in a room containing and MRI machine. My sister has seen footage of metal hospital equipment (such as a crash cart) that was completely destroyed when it shot across the room toward the MRI magnet.
This may seem like an odd way to open my post today, but I thought about these examples when I read about the power of God's truth:
Let praise cascade off my lips;
after all, you've taught me the truth about life!
And let your promises ring from my tongue;
every order you've given is right.
Put your hand out and steady me
since I've chosen to live by your counsel.
I'm homesick, God, for your salvation;
I love it when you show yourself!
Invigorate my soul so I can praise you well,
use your decrees to put iron in my soul.
And should I wander off like a lost sheep—seek me!
I'll recognize the sound of your voice.
In this excerpt, I think the writer is stating that the decrees of God's Word--His law--can be like iron that strengthens the soul. And like iron, when God's Word really gets in us, it guides us toward truth--like that ultra-strong MRI magnet. God's Word steadies us--it draws us toward Him because it helps us to know His voice and who He is. That's pretty powerful stuff!
Tomorrow: Psalm 120-132
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