I’ve never been a big guy. And when I was a boy, my father, who’s always been short and scrappy himself, told me how to survive.

“Fighting’s not fair,” he advised. “Don’t go seeking a fight, but if you’re challenged by someone bigger than you, do whatever you must to win.” He told about a time when a bully confronted him after school. Dad grabbed a metal trash can, whomped the kid with it, and then ran home.

He wouldn’t have left unhurt that day if he hadn’t realized some uncomplicated truths that parallel the way Christians should think about their spiritual adversary, the devil. When it comes to Satan, it’s not a fair fight, and we need to be ready.

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