From a progressive, humanistic standpoint, it is important to recognize the public’s need for some degree of moral certainty and absolutism, of its general aversion to wishy-washy notions of relativism. But it is also important to circulate the idea that standards of morality can and often do change – and that this can be a good thing. After all, biblical morality would prohibit eating shellfish, touching a menstruating woman, or wearing clothes made from the mixed fabrics. Thank goodness we’ve evolved!
MORE: http://www.psychologytoday.com/blog/our-humanity-naturally/201205/obamas-evolving-morality-challenges-religious-absolutists