“If you became blind," I said, "if you were used to finding your way around a house and then, suddenly, one day had an accident--was attacked or something--and became blind, only then would you actually notice the furniture. It would always have been there, but you would never have been aware of it, you would just have gone around it. Only when something becomes hard to cope with do you see it. That's how you become aware of time--when it becomes hard to cope with.”