Related:

• There are things that are known and things that are unknown.
  In between are doors. -- William Blake...
• Holly: The phrase 'cargo bay doors' does not appear to be in my lexicon.
  -- Red Dwarf - 'Demons and Angels'...
• Within a fountain crystal clear, A golden apple doth appear, No doors there are to this stronghold, Yet thieves break in and steal the gold.
  [An egg]...
• If Christianity was morality, Socrates would be the Saviour. -- William Blake
• Let the doors of Pain be opened!
• Nobody wins, slamming doors.
• People are strange. -- The Doo
• Speed Kills -- The Doo
• When you follow your bliss... doors will open where you would not have thought there would be doo
  and where there wouldn't be a door for anyone else. -- Joseph Campbell...