A disease is never a mere loss or excess. There is always a reaction on the part of the organism or individual to restore, replace or compensate for and to preserve its identity, however strange the means may be.
Oliver SacksIf a man with a dog sits quietly enjoying music and smiling, his dog might sit down beside him and smile, too. But who knows whether the dog is having a comparable experience or whether the dog is simply happy that his master is happy.
Oliver SacksDangerously wellโโ what an irony is this: it expresses precisely the doubleness, the paradox, of feeling โtoo well
Oliver Sacks