Sam Harris on objectively measurable moral progress

April 13, 2010 | By | Reply More

Within a tradition that extends backwards at least to David Hume, many people insist that science is utterly incapable of telling us what we ought to value, and that science is thus unable to weigh in on moral issues.  This position has often been referred to as the naturalistic fallacy–the claim that what is “moral” can be defined in terms of natural properties.

In this highly-engaging and wide-ranging TED talk, Sam Harris argues that this is a dangerous illusion, because whether humans are experiencing “well being,” and whether communities “flourish” clearly depend on facts. He argues that questions of values reduce to facts about the brain functions and specific social circumstances of human beings. Science is thus relevant to values, and as we move further into the future this will be ever more obvious.

Harris paused to make it clear that he is not claiming that science will necessarily provide answers to all values questions. He is not claiming that those trying to decide whether to have a second child, for example, will turn to science. On the other hand, meting out corporal punishment on children (which is still allowed by the laws of many southern states) raises a factual question: Whether inflicting pain, violence and embarrassment encourages positive emotional development. He also points to the wearing of burkas under threat of physical punishment as a practice that can can be factually analyzed as not likely to improve well being.

Harris doesn’t offer a single recipe for a “right” or a “correct” way to run a society. Rather, he suggests that the moral state space consists of many peaks and valleys; there might be many right answers, in addition to many wrong answers. This multiplicity of approaches doesn’t mean that there aren’t factual truths about the better and worse ways of achieving social well-being, however.

He repeatedly makes the point that science has a lot to say about morality, and there is no good reason to be non-judgmental when the facts scientifically show that a particular practice leads to social dysfunction. In many human disciplines, some of the people weighing in are so ill-informed that their opinions shouldn’t count at all — not every person has a right to a wide audience on the topic of string theory. The same thing goes for moral expertise. Those who insist that the best thing to do when their young daughter is raped is to kill her out of shame lack moral expertise. Those who would behead their son because he is gay in order to keep him from going to hell do not have moral opinions that should count.

There are right and wrong answers regarding questions of human flourishing (this can increasingly be fleshed out in terms of brain function) and “morality” relates to a specific domain of facts.

It is possible for individuals and even whole culture, to care about the wrong thing. It’s possible for them to have beliefs and desires that lead to needless human suffering. Just admitting this will transform our discussion about morality.

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Category: Civil Rights, Culture, Good and Evil, Human animals, ignorance, Meaning of Life, Neuroscience, Quality of Life, Religion, Science, Social justice

About the Author ()

Erich Vieth is an attorney focusing on consumer law litigation and appellate practice. He is also a working musician and a writer, having founded Dangerous Intersection in 2006. Erich lives in the Shaw Neighborhood of St. Louis, Missouri, where he lives half-time with his two extraordinary daughters.

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