Originally Posted by Guss
Within the Muslim world, that phrase is usually followed by, "And Mohammed is His prophet." The ring seems to be a shortened version that could be sold to monotheistic tourists without offending their religious sensitivities. So the ring says that there is only one god, which in their language is called Allah. I guess if you are polytheistic you might complain, but how many Hindus are here on the forum?
This post does much to prove that humans can rationalize anything.