“A professor once described the brain to me as a great silent vault. A dark theater with nothing playing on the screen. Just electrical charges bouncing corner to corner, like lightbulbs flashing off and on. Science doesn’t yet have any idea how everyone’s private, personal experience of the world springs from that empty vault. We don’t know yet why we sleep or why we dream. What and how we remember. The world is a fiction the brain constructs. The smell of a fresh peach, the punch of a firefly in the night sky. The lilting hush-hush of a first lullaby. The brain fashions it all and we don’t know how, or why.”