Morendil comments on Rationality Quotes January 2010 - Less Wrong

3 Post author: Zack_M_Davis 07 January 2010 09:36AM

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Comment author: Morendil 17 January 2010 09:38:43AM *  2 points [-]

The madman is not the man who has lost his reason. The madman is the man who has lost everything except his reason.

-- G.K. Chesterton, quoted in Jonah Lehrer's How we decide

(In the section which discusses psychopaths and notes that the "rational" part of their brains appears to be undamaged: the human brain relies on the circuitry of emotion to form moral decisions, or at any rate that's what's broken in psychopaths.)