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• One learns to itch where one can scratch. -- Ernest Bramah
• Happiness is having a scratch for every itch. -- Ogden Nash
• It's not by amusing oneself that one learns. -- Anatole France (1844-1924) It's only by amusing oneself that one can learn.
  -- Edward Kasner and James R. Newma...
• cratch 1. [from `scratchpad'] adj. Describes a data structure or recording medium attached to a machine for testing or temporary-use purpose
  one that can be scribbled on without loss. Usually in the combining forms `scratch memory', `scratch register', `scratch disk', `scratch tape', `scratch volume'....
• cratch: 1. [from `scratchpad'] adj. Describes a data structure or recording medium attached to a machine for testing or temporary-use purpose
  one that can be {scribble}d on without loss. Usually in the combining forms `scratch memory', `scratch register', `scratch disk', `scratch tape', `scratch volume'....