Morality is codified within the Human Heart: no god required
Where this argument specifically addresses charges posted by cerenziam, that Morality and Charity can only come from a belief in god and Christianity, it is a response to Christian CHAUVINISM in general. ( See original posts here: http://www.bigthink.com/faith-beliefs/9116 )
The argument that Morality is based upon belief in god; that Morality is born of the Christian faith; that NO-GOD = Nihilism: these are falsehoods learned in Christian schools. Morality is codified within the Human Song, the genetic and cultural programming that makes us Human. Some of it is instinct and some we learn at our mother's knee.
The argument that belief in god is the wellspring of Morality actually boils down to Fear-of-god or Fear-of-damnation = Morality, an extension of our approach to criminal justice. But when we look back into the wellspring of history we see Morality has always been coded.
Long before the times of Yahweh Jesus or Mohammad, we find law which codifies human Morality. The oldest writings so far discovered and deciphered contain the moral code that later was appropriated by Yahweh. (The story of Noah is older than the Hebrew people and is in fact repeated by mythologies around the world, including North American Coyote mythology.)
In fact Charity as a part of Morality is so old that it predates our species. The latest in Neanderthal anthropology has revealed that this species did not walk hunched over as previously assumed. The incorrect assumptions were based upon the examination of found skeletons, which were found because they were ritually buried.
The skeletons were bent over from old age, calcium loss, and arthritis. These people had survived because their culture loved them and cared for them so that they could survive to old age. The bodies are often found with the remains of flowers and trinkets indicating, not only love, but a belief in the afterlife.
It is now understood that the Neanderthals did not die off as previously assumed, but were killed off in warfare with our species, Cro-Magnon, as our forefathers spread across the planet. In fact this could be seen as the Original Sin: that a more violent and competitive (and perhaps less moral) human animal arose. And where did this genetic change come from? All our mythology, including the Bible, informs us that 'the sons of god' are to blame. Coyote mythology informs us that Coyote is our father (or mother), and that this is the source for all that ails human morality, but I digress. (It's our mother's fault.)
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So, where it is admitted that Christianity has influenced our Morality, to argue that Christianity is the SOURCE of Morality or Charity, is Christian chauvinism, and false. For example the Pentateuch codifies specific ancient acts of charity which are NOT followed by todays Christian culture.
Morality is codified within the Human Song, the genetic and cultural programming that makes us Human. We have seen that those who feel rejected by their culture often turn to immoral behavior such as crime. What is interesting is that those in positions of power also seem to abandon moral code, as if the holding of power necessitated immoral behavior as per Machiavelli.
So where the Catholic Church for centuries exhibited immoral behavior because of its power, Charity as acts-of-cultural-change did not appear until Christian rebels -Protestants- threw off the mantle of the ancient Church. And where Protestantism rose to power, such as the Bush administration, again we see that Morality and Charity is cast aside as unbecoming to power.
And where Christianity raises up a new Moral Hero, as in Senator Obama, he is castigated for adhering to a Christian minister that radicalizes the issue of moral standards and criticizes the moral behavior of white American culture. Again, I digress.