A young man tells of visiting a college, which had a series of security call boxes every few hundred feet or so. If you were wandering around the campus at night and felt uneasy about somebody following you, for instance, you could hit the button and have a security officer come investigate immediately.

On one of these phones hung a sign that said, “Out of Order.”
Underneath it someone had scrawled. . . “Keep Running!” (1)
Fear is a powerful emotion, isn’t it?

It’s like the story of the Bishop who had an irrational fear that his legs were going to become paralyzed. One night while he was at a dinner party he reached down and pinched his leg. He couldn’t feel anything. He was alarmed. Out loud he exclaimed, “Oh, no. It is just as I feared. I am totally without feeling below my waist.”

A …