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• In theory, there is no difference between theory and practice; in practice, there is. Chuck Reid
• In theory, there is no difference between theory and practice. In practice, there is.
• In theory, there is no difference between theory and practice. In practice, however, there is.
• Quote #527 "In theory there's no difference between theory and practice, but in practice there is.
  -- ....
• The theory of liberty, when delivered in a political speech by a candidate
  always sounds far better and contains a great deal more promise than the actual practice of liberty is prepared to give unless the listeners are willing to pay higher taxes....
• ISM Any distinctive doctrine, theory or practice. -- Daniel Bowen's TOXIC CUSTARPEDIA
• It's all very well in practice, but it will never work in theory. -- French management saying
• Plays that work in theory do not work in practice. Plays that work in practice do not work during the game.
• Quote #350 "You are caught in a maze of twisty little Sendmail rules, all obscure.
  -- _Sendmail: Theory and Practice_, Avolio and Vixie...