It was difficult to imagine that a full day hadn’t yet passed since we boarded the airliner in New York. I paused. Medieval man believed that one was placed beyond the touch of time, and therefore aging, while attending Mass. What, I wondered, would he have made of those hours we left up in the sky? I would not change my watch until I gave the matter more thought.

The schoolroom clock was worn raw by stares; and you couldn’t look up at the big Puritanical face of it and not feel the countless years of young eyes reflected in it, urging it onwards. It was a dark, old spirit that didn’t so much mark time as bequeath it.