The introductory lesson on aikido, a traditional Japanese form of martial arts, was an eye-opener. The sensei, or teacher, told us that when faced with an attacker, our first response should be to “run away.” “Only if you can’t run away, then you fight,” he said seriously.

Run away? I was taken aback. Why was this highly-skilled self-defense instructor telling us to run away from a fight? It seemed counterintuitive—until he explained that the best form of self-defense is to avoid fighting in the first place. Of course!

When several men came to arrest Jesus, Peter responded as some of us might have by drawing…