"It's not possible to say which came first, the door or the
door slam. If you say door-slamming you signal to all that you're
insane, possibly in the harmless funny way eccentric sitcom
relatives are on cue. If you say the door came first you signal
you're a very uninteresting person. But you might still get marked
as crazy if you go announcing this without provocation. There's no
winning. But it seems likely someone imaged doors before they
there were doors, unless the first door formed by sheer chance."
--
austin_dern,
2010-09-17