It is possible to find a stable basis in ethical values in religious and mythological fables and tales; yet, to do so is subjectively relative to the individual and their choices and interpretations. Firstly, those who base their ethical values on teachings from religious or mythological tales, must decide, not only which tales they will choose to believe, but also determines his or her own interpretations of each tale.
When dealing with religious and mythological backgrounds all cultures and people interpret the content differently. Some are of the belief that every word of a religious tale is not only sacred and true but also should be strictly and literally followed. Others see biblical and mythological tales more as examples of moral guidelines by which to apply, where appropriate, in their lives.
Socrates can argue that theistic ethics are cultural relativism in that they include ceremonies and services, which have become habits and rituals of the culture. However, it is possible for a person to believe in the same gods, same stories, and same religious texts as those who worship in the ancient, ritualistic fashion yet choose to forgo the expected ceremonies. Though the groups or individuals worship differently, because they are taking their beliefs from the same original material, they will most likely agree on a far greater amount of moral and ethical truths than would any other individuals of totally different religious backgrounds.
While religious and mythological tales are both subjectively relative in that a person may choose how to interpret and apply the lessons, theistic ethics still provide a strong and stable platform for the basis of ethical values.