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• I know that every time one door closes, another door opens, but why do these hallways have to be so dark?
• When one door closes another door opens; but we often look so long and so regretfully upon the closed door, that we do not see the ones which open for us.
  -- Alexander Graham Bell...
• When one door of happiness closes, another opens; but often we look so long at the closed door that we do not see the one which has been opened for us.
  -- Helen Kelle...
• Death opens the gate of fame, and shuts the gate of envy after i
  it unlooses the chain of the captive, and puts the bondsman's task into another man's hand....
• OS/2...Opens up Windows, shuts up Gates.
• He who opens a school door closes a prison. -- Victor Hugo
• When one door closes another door opens; but we so often look so long and so regretfully upon the closed door, that we do not see the ones which open for us.
  Alexander Graham Bell, american invento...
• There is always one moment when the door opens and lets the future in.
• Ned: Oh, something is definitely wrong with this hallway.
  [opens a 4-inch-tall door] Barney: Come on in!...