The Look of a Window Around the Corner

I recently changed the lightbulbs in my bedroom; I thought I would try the 'daylight' kind that filter out the yellow and are supposed to be better for your eyes. I wasn't especially impressed by them when I put them in. This morning, however, I was walking toward my room, when suddenly I saw why they call them 'daylight'. This wouldn't be interesting except that the reason it suddenly really looked like daylight was that it looked like a window was around the corner. It's a strange thing, if you think of it, that someone can know what having a window in the wall would look like from around a corner. Berkeley, I think, would love an example like this: the immediate perception of the play of light across the floor, the color of the light, the angle from which I was viewing, all contributed to the suggestion of there being a window in a wall I could not see. It was a mooreeffoc moment:

And there is (especially for the humble) Mooreeffoc, or Chestertonian Fantasy. Mooreeffoc is a fantastic word, but it could be seen written up in every town in this land. It is Coffee-room, viewed from the inside through a glass door, as it was seen by Dickens on a dark London day; and it was used by Chesterton to denote the queerness of things that have become trite, when they are seen suddenly from a new angle.

J.R.R. Tolkien, On Fairy Stories