A thought from Jennifer Rothschild taken from her book Self Talk, Soul Talk...
"In 1 Peter 5:8, the great apostle compares Satan, the enemy of souls, to a roaring lion. He says something like this "Be careful! Be alert. Watch out. Stay awake. A roaring lion is out there, and it's stalking you and seeking to destroy you."
That passage has always confused me. How does a roaring lion sneak up on anyone? Unless you happen to be deaf, you can't help but notice his approach. His roar gives him away, even if you're busy or occupied with other things. Even a dull roar would cut through your thoughts and interrupt your senses. You don't have to be that alert to notice, do you?
That question sounds logical, but what if we heard that roar all the time? What if we heard it so often that we gradually tuned it out and became desensitized to it? It would be like living in a house next to the railroad tracks; after a while, you don't even hear the trains. We grow so accustomed to the distractions around us that we barely notice their influence.
And that's when we become easy prey."