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Modern personalties? http://en.wikipedia.org/wiki/Four_Temperaments#Historical_Development http://en.wikipedia.org/wiki/Four_Temperaments#Historical_De...

• xlnt 19y ago
  People think and act very differently than they used to.
  • as 19y ago
    Largely biological, not entirely. Your philosophy or outlook can certainly have an effect on your personality, but from what I've seen different environments and ideologies just create variations on a biological theme.
    • xlnt 19y ago
      You've seen themes in people. But have you seen evidence these themes are not caused by culture? Do you have an argument that they couldn't be? That it's unlikely?