The power of music and the plasticity of the brain go together very strikingly, especially in young people.

About 10 percent of the hearing impaired get musical hallucinations, and about 10 percent of the visually impaired get visual hallucinations.

Scheele, it was said, never forgot anything if it had to do with chemistry. He never forgot the look, the feel, the smell of a substance, or the way it was transformed in chemical reactions, never forgot anything he read, or was told, about the phenomena of chemistry. He seemed indifferent, or inattentive, to most things else, being wholly dedicated to his single passion, chemistry. It was this pure and passionate absorption in phenomena-noticing everything, forgetting nothing-that constituted Scheele's special strength.

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 self—himself—he cannot know it, because he is no longer there to know it.

I have to live in the richest, deepest, most productive way I can

If 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.

I think there's probably always been visions and voices, and these were variously ascribed to the divine or demonic or the muses. I think many poets still feel they depend on an inner voice, or a voice which tells them what to do.