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• Cogito cogito ergo cogito sum -- "I think that I think, therefore I think that I am.
  -- Ambrose Bierce, "The Devil's Dictionary...
• Cogito cogito ergo cogito sum -- I think that I think, therefore I think that I am.
  -- Ambrose Bierce...
• Cogito, ergo am, I think therefore I sum.
• Cogito, ergo sum. (I think, therefore I am) -- Rene Descarte
• CARTESIAN, adj. Relating to Descartes, a famous philosopher, author of the celebrated dictum, _Cogito ergo sum_ -- whereby he was pleased to suppose he demonstrated the reality of human existence.
  The dictum might be improved, however, thus: _Cogito cogito ergo cogito sum_ -- "I think that I think, therefore I think that I am...
• COGITO, EGGO SUM - I think; therefore, I am a waffle.
• Cogito Eggo sum (I think; therefore, I am a waffle)