them when they go out into space and then reenter our atmosphere. He remarked to me, “Have you ever noticed that the universe is divided into a trinity?” “No, what do you mean by that?” “You and I live in a physical universe that is divided into time, space, and matter. Can you think of a fourth?” I couldn’t think of any, so he continued, “Time is divided into three parts: past, present, and future. Can you think of a fourth?” Again I couldn’t, so he went on. “Space is divided into length and breadth