“Reality is a question of perspective; the further you get from the past, the more concrete and plausible it seems - but as you approach the present, it inevitably seems more and more incredible. Suppose yourself in a large cinema, sitting at first in the back row, and gradually moving up, row by row, until your nose is almost pressed against the screen. Gradually the stars' faces dissolve into dancing grain; tiny details assume grotesque proportions; the illusion dissolves - or rather, it becomes clear that the illusion itself is reality.”