If a man has lost a leg or an eye, he knows he has lost a leg or an eye; but if he has lost a selfโhimselfโhe cannot know it, because he is no longer there to know it.
Oliver SacksMuscular dystrophy ... was never seen until Duchenne described it in the 1850s. By 1860, after his original description, many hundreds of cases had been recognised and described, so much so that Charcot said: 'How is it that a disease so common, so widespread, and so recognisable at a glance - a disease which has doubtless always existed - how is it that it is recognised only now? Why did we need M. Duchenne to open our eyes?'
Oliver SacksThe power of music and the plasticity of the brain go together very strikingly, especially in young people.
Oliver Sacks