"A bird flew into a cage then when it turned around it found the cage was locked.
If the bird was a God, what would be it's cage?"
From the Book of Questions by Vyassa.
(or, more accurately, from the tabletop rpg 'Nobilis'. A Game so vast in scope that I have only ever run it once for a couple of hours. However, thanks to tvtropes I found the blog of the Lady who wrote it (and all the little 'extracts' in the margins.)
Hitherby Dragons
I hope you enjoy them too.
P.