Related:

• zipperhead: [IBM] n. A person with a closed mind. -- The AI Hackers Dictionary
• A closed mind gathers no intelligence.
• dinosaur: n. 1. Any hardware requiring raised flooring and special power.
  Used especially of old minis and mainframes, in contrast with newer microprocessor-based machines....
• dinosaur n. 1. Any hardware requiring raised flooring and special power.
  Used especially of old minis and mainframes, in contrast with newer microprocessor-based machines....
• A closed mouth maintains a happy mind.
• A closed mind is like a closed book; just a block of wood Chinese Proverb
• andbender n. [IBM] A person involved with silicon lithography and the physical design of chips.
  Compare ironmonger, polygon pu...
• A closed mind doesn't need drugs. It is already wasted.
• A deaf ear is the first symptom of a closed mind.