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• 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...
• 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...
• 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, fortune will usually open another. -- Fernando de Roja
• A door is something you're on the wrong side of when you're too short to reach the knob.
  When you are tall enough to reach the knob, a door is something you have left open if it's supposed to be closed, or closed if it's supposed to be open....
• If God shuts one door, he opens another.
• There is always one moment in childhood when the door opens and lets the future in.
  -- Graham Greene, The Power and the Glory...
• So little done, so much to do. -- Alexander Graham Bell (last words)
• Time is of the essence, so close the door!