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• A closed mind gathers no intelligence.
• A closed mouth maintains a happy mind.
• A closed mind is like a closed book; just a block of wood Chinese Proverb
• Attention all units!
  Riot in progress at (*click*) -- Chief Wiggum turns a deaf ear, "I Love Lisa...
• zipperhead n. [IBM] A person with a closed mind.
• A closed mind doesn't need drugs. It is already wasted.
• Fellow with closed mind often has open mouth.
• My mind is closed so my body speaks.
• Where a mind is closed, truth cannot enter.