A person is forced inward by the spareness of what is outward and visible in all this land and sky. The beauty of the Plains is like that of an icon -- what seems stern and almost empty is merely open, a door into simple and holy state.
On the surface, silence was simple: we didn't speak unless it was necessary. But what was the point of silence? The point was, we learned, not mere silence, not silence to preserve some sort of order, but something much greater. In silence the idea was to recollect ourselves, to place ourselves more squarely in the presence of God than we would if people were talking to us all the time. We could pray, we could meditate, we could contemplate.