Rules are everywhere. They tell us which side of the road to drive on, how many players may stand on a football field, when we should wait our turn, what clothes are appropriate for certain occasions, and even which fork we are expected to use at a formal dinner. Some rules are written into law …
A closed door presents one of the smallest moral decisions of everyday life. We may know the person on the other side. We may even have every practical reason to enter. Yet most of us instinctively raise a hand and knock, then wait. The entire ritual takes only a few seconds, but those seconds acknowledge …
There are few things more ordinary than a line of people waiting. We form them at railway stations, airports, hospitals, supermarkets, school gates, government offices, amusement parks, and food counters. Sometimes there is a painted barrier telling us where to stand, but often there is nothing at all. One person simply positions themselves behind another, …