Related:

• Thinking is the talking of the soul with itself. -- Plato
• Since when is talking a sign of thinking?
• There are no dangerous thoughts; thinking itself is dangerous.
• When the mind withdraws into itself and dispenses with facts it makes only chaos.
  -- Edith Hamilton (1867-1963)...
• When the mind withdraws into itself and dispenses with facts it makes only chaos. -- Edith Hamilto
• Since when was a phone for talking?
• An intellectual is someone whose mind watches itself. CAMUS
• eighty-column mind n. [IBM] The sort said to be possessed by persons for whom the transition from punched card to tape was traumatic (nobody has dared tell them about disks yet).
  It is said that these people, including (according to an old joke) the founder of IBM, will be buried `face down, 9-edge first' (the 9-edge being the bottom of the card)....