Tim_p wrote:
As an atheist, from what do you derive your moral code? Societal custom? Your Parents?
Who knows? Maybe it's leftover conditioning from those times I went to sunday school as a kid. Maybe I don't torture small animals because I have an empathic response that makes me feel what I think they're feeling. Perhaps my moral code is simply a matter of personal preference and could easily have been "People who let you kill them were unfit and deserved it" or "Never kill people, even if they're trying to kill you", but just happens to be "Try to minimise suffering in the world by not killing people, but don't hesitate to defend yourself or others". I think it's my empathy that does it, but I'm a sample size of 1, so there's no way to say for sure.
My morality is also shaped by my goals, which can override my empathic response. Thus, if one of my goals was to cure cancer, I might overcome my dislike of iradiating mice and chopping them up. If I really, really wanted to turn the world into a nuclear wasteland, I'd have to deal with the empathic burden of it and probably wouldn't be able to any more than I could hold my hand in a fire. Since I generally want the world to be a nice place, I don't have to struggle much, though I do find it rather unplesant when I'm digging in the garden, since I think of all the worms I'm chopping in half.
To me, relying on an external source for moral guidance sounds like a very risky proposition, and could lead to such lines of thinking as "it's ok to kill every man woman and child if god says so, and anyone who says otherwise is evil", but since most of the kids I grew up with seemed to enjoy stamping on worms when they came out after it rained (while I watched in horror and frustration), perhaps an external moral code is the best many people can hope for to make up for their empathic deficits.
Further reading:
http://www.mwillett.org/atheism/moralsource.htm
http://www.infidels.org/news/atheism/sn-morality.html
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Banned for discussing the recent spate of bannings.