Heberto

“Given her deafness, the auditory part of the brain, deprived of its usual input, had started to generate a spontaneous activity of its own, and this took the form of musical hallucinations, mostly musical memories from her earlier life. The brain needed to stay incessantly active, and if it was not getting its usual stimulation..., it would create its own stimulation in the form of hallucinations.”
― Oliver Sacks, Musicophilia: Tales of Music and the Brain

“What an odd thing it is to see an entire species -- billions of people -- playing with, listening to meaningless tonal patterns, occupied and preoccupied for much of their time by what they call 'music.' (-- The Overlords, from Arthur C. Clarke's Childhood's End)”
― Oliver Sacks, Musicophilia: Tales of Music and the Brain

“The inexpressible depth of music, so easy to understand and yet so inexplicable, is due to the fact that it reproduces all the emotions of our innermost being, but entirely without reality and remote from its pain...Music expresses only the quintessence of life and of its events, never these themselves.”
― Oliver Sacks, Musicophilia: Tales of Music and the Brain

“Every act of perception, is to some degree an act of creation, and every act of memory is to some degree an act of imagination.”
― Oliver Sacks, Musicophilia: La musique, le cerveau et nous