Memory is dialogic and arises not only from direct experience but from the intercourse of many minds.
Oliver SacksI think hallucinations need to be discussed. There are all sorts of hallucinations, and then many sorts which are okay, like the ones I think which most of us have in bed at night before we fall asleep, when we can see all sorts of patterns or faces and scenes.
Oliver SacksWe see with the eyes, but we see with the brain as well. And seeing with the brain is often called imagination.
Oliver Sacks