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saved by7 people, first byYam on 2007-02-27, last byBruce Silverthorne on 2008-03-26

  • Dawkins is perhaps the world's most popular science writer; he is also an extremely gifted science writer. (For example, his account of bats and their ways in his earlier book The Blind Watchmaker is a brilliant and fascinating tour de force.) The God Delusion, however, contains little science; it is mainly philosophy and theology (perhaps "atheology" would be a better term) and evolutionary psychology, along with a substantial dash of social commentary decrying religion and its allegedly baneful effects. As the above quotation suggests, one shouldn't look to this book for evenhanded and thoughtful commentary. In fact the proportion of insult, ridicule, mockery, spleen, and vitriol is astounding. (Could it be that his mother, while carrying him, was frightened by an Anglican clergyman on the rampage?) If Dawkins ever gets tired of his day job, a promising future awaits him as a writer of political attack ads.
  • "However statistically improbable the entity you seek to explain by invoking a designer, the designer himself has got to be at least as improbable. God is the Ultimate Boeing 747." The basic idea is that anything that knows and can do what God knows and can do would have to be incredibly complex. In particular, anything that can create or design something must be at least as complex as the thing it can design or create. Putting it another way, Dawkins says a designer must contain at least as much information as what it creates or designs, and information is inversely related to probability. Therefore, he thinks, God would have to be monumentally complex, hence astronomically improbable; thus it is almost certain that God does not exist.
  • Suppose he's successful with these three things: how would that show that the universe is without design? How does the main argument go from there? His detailed arguments are all for the conclusion that it is biologically possible that these various organs and systems should have come to be by unguided Darwinian mechanisms (and some of what he says here is of considerable interest). What is truly remarkable, however, is the form of what seems to be the main argument. The premise he argues for is something like this:



    1. We know of no irrefutable objections to its being biologically possible that all of life has come to be by way of unguided Darwinian processes;


    and Dawkins supports that premise by trying to refute objections to its being biologically possible that life has come to be that way. His conclusion, however, is


    2. All of life has come to be by way of unguided Darwinian processes.


    It's worth meditating, if only for a moment, on the striking distance, here, between premise and conclusion. The premise tells us, substantially, that there are no irrefutable objections to its being possible that unguided evolution has produced all of the wonders of the living world; the conclusion is that it is true that unguided evolution has indeed produced all of those wonders. The argument form seems to be something like



    We know of no irrefutable objections to its being possible that p;

    Therefore

    p is true.
  • Philosophers sometimes propound invalid arguments (I've propounded a few myself); few of those arguments display the truly colossal distance between premise and conclusion sported by this one. I come into the departmental office and announce to the chairman that the dean has just authorized a $50,000 raise for me; naturally he wants to know why I think so. I tell him that we know of no irrefutable objections to its being possible that the dean has done that. My guess is he'd gently suggest that it is high time for me to retire.
  • The God Delusion is full of bluster and bombast, but it really doesn't give even the slightest reason for thinking belief in God mistaken, let alone a "delusion."


    The naturalism that Dawkins embraces, furthermore, in addition to its intrinsic unloveliness and its dispiriting conclusions about human beings and their place in the universe, is in deep self-referential trouble. There is no reason to believe it; and there is excellent reason to reject it.

  • Dawkins is perhaps the world's most popular science writer; he is also an extremely gifted science writer. (For example, his account of bats and their ways in his earlier book The Blind Watchmaker is a brilliant and fascinating tour de force.) The God Delusion, however, contains little science; it is mainly philosophy and theology (perhaps "atheology" would be a better term) and evolutionary psychology, along with a substantial dash of social commentary decrying religion and its allegedly baneful effects.
  • couldn't it be that God has directed and overseen the process of evolution? What makes Dawkins think evolution is unguided?
  • is God complex? According to much classical theology (Thomas Aquinas, for example) God is simple, and simple in a very strong sense, so that in him there is no distinction of thing and property, actuality and potentiality, essence and existence, and the like.
  • More remarkable, perhaps, is that according to Dawkins' own definition of complexity, God is not complex. According to his definition (set out in The Blind Watchmaker), something is complex if it has parts that are "arranged in a way that is unlikely to have arisen by chance alone." But of course God is a spirit, not a material object at all, and hence has no parts.
  • So if Dawkins proposes that God's existence is improbable, he owes us an argument for the conclusion that there is no necessary being with the attributes of God
  • It's as if there are a large number of dials that have to be tuned to within extremely narrow limits for life to be possible in our universe. It is extremely unlikely that this should happen by chance, but much more likely that this should happen if there is such a person as God.
  • Explanations come to an end; for theism they come to an end in God. Of course the same goes for any other view; on any view explanations come to an end. The materialist or physicalist, for example, doesn't have an explanation for the existence of elementary particles: they just are.
  • The naturalist can be reasonably sure that the neurophysiology underlying belief formation is adaptive, but nothing follows about the truth of the beliefs depending on that neurophysiology. In fact he'd have to hold that it is unlikely, given unguided evolution, that our cognitive faculties are reliable. It's as likely, given unguided evolution, that we live in a sort of dream world as that we actually know something about ourselves and our world.
  • many of his arguments would receive a failing grade in a sophomore philosophy class.
  • religion-bashing in the current Western academy is about as dangerous as endorsing the party's candidate at a Republican rally
  • First, is God complex? According to much classical theology (Thomas Aquinas, for example) God is simple, and simple in a very strong sense, so that in him there is no distinction of thing and property, actuality and potentiality, essence and existence, and the like. Some of the discussions of divine simplicity get pretty complicated, not to say arcane.3 (It isn't only Catholic theology that declares God simple; according to the Belgic Confession, a splendid expression of Reformed Christianity, God is "a single and simple spiritual being.") So first, according to classical theology, God is simple, not complex.
  • More remarkable, perhaps, is that according to Dawkins' own definition of complexity, God is not complex. According to his definition (set out in The Blind Watchmaker), something is complex if it has parts that are "arranged in a way that is unlikely to have arisen by chance alone." But of course God is a spirit, not a material object at all, and hence has no parts.5 A fortiori (as philosophers like to say) God doesn't have parts arranged in ways unlikely to have arisen by chance. Therefore, given the definition of complexity Dawkins himself proposes, God is not complex.
  • So why think God must be improbable? According to classical theism, God is a necessary being; it is not so much as possible that there should be no such person as God; he exists in all possible worlds. But if God is a necessary being, if he exists in all possible worlds, then the probability that he exists, of course, is 1, and the probability that he does not exist is 0. Far from its being improbable that he exists, his existence is maximally probable. So if Dawkins proposes that God's existence is improbable, he owes us an argument for the conclusion that there is no necessary being with the attributes of God—an argument that doesn't just start from the premise that materialism is true. Neither he nor anyone else has provided even a decent argument along these lines; Dawkins doesn't even seem to be aware that he needs an argument of that sort.
  • If this is so, the naturalist has a defeater for the natural assumption that his cognitive faculties are reliable—a reason for rejecting that belief, for no longer holding it. (Example of a defeater: suppose someone once told me that you were born in Michigan and I believed her; but now I ask you, and you tell me you were born in Brazil. That gives me a defeater for my belief that you were born in Michigan.) And if he has a defeater for that belief, he also has a defeater for any belief that is a product of his cognitive faculties. But of course that would be all of his beliefs—including naturalism itself. So the naturalist has a defeater for naturalism; natural- ism, therefore, is self-defeating and cannot be rationally believed.