• If there's a gun on the wall in act one, scene one, you must fire the gun by act three, scene two. If you fire a gun in act three, scene two, you must see the gun on the wall in act one, scene one.

    Anton Chekhov: If there's a gun on the wall in act one, scene one, you must fire the gun by act three, scene two. If you fire a gun in act three, scene two, you must see the gun on the wall in act one, scene one.