4. We must except, however, from this statement the change which happens to the form as the result of disease: for the deformity of sickness takes possession of the form like some strange mask, and when this is removed by the word, as in the case of Naaman the Syrian, or of those whose story is recorded in the Gospel, the form that had been hidden by disease is once more by means of health restored to sight again with its own marks of identity.