“Repetition,” said a voice like rustling leaves. Before Ferbin could say anything in reply, the voice went on, “Patterns, yes. For, periodicity. As the Veil become the Oct, so one iteration becomes another. Spacing is the signal, so creates. Yet, also, repetition shows lack of learning. Again, be on your way. Signal that is no signal, simply power, follows. Unrepeats.” The octagonal patch showing the silhouetted Oct shape faded and the cylinder started to sink silently back into the surface.