Having one sightless eye meant he lacked perception of distance. One ear, likewise, deaf. So had difficulty locating sound. Thus it was fitting that he should have had one pupil and that this pupil had but one apparent twin, the blind flute boy. At one time, as he had remembered it, his hearing and vision had been intact. Thus often it will be seen the he lapsed into the error of imagining himself full perceptive. And that this often goes uncorrected.