WHEN 1 DOOR CLOSES
Open a door to the outside world.
"piaaaak" Step outside and write about it.
When 1 DOOR CLOSES,
A door had to be opened in order for you to close it.
A door has to be closing in order for a world to be finally opened.
WHEN 1 DOOR CLOSES,
A WHOLE NEW WORLD OPENS.
but don't exploit it.