[Perndog]

What if the dynamic nature of laws only shows that the right set of laws hasn't yet been discovered? If the "right laws" do exist, it wouldn't be a matter of acceptability but rather of what works best for a society.

As for morality being solely spiritual, I think millions of atheists who consider themselves moral people will have a serious problem with your statement, especially as you're saying all deity-worshipping religions are acceptable as sources of morality but not atheistic belief systems. The entire purpose of my suggestion was to describe the only possible way (unless someone wants to propose another) that absolute morality could exist without spirituality. Of course, if you and other folks want to classify me as amoral because I am entirely devoid of a spiritual life, I'm fine with that.

By the way, Zoroaster was a living prophet of the god Ahuramazda.