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Annals of Atheism III: Anthropic Coincidence

May 25, 2009

The first two themes we’ve taken up in the Annals of Atheism blend together to give the third theme of Prof. Steven Barr’s story, what the late Stephen Jay Gould called the “dethronement of man.” With the earth but an infinitesimal speck of flotsam in the limitless ocean of space, and the human race but a chemical accident, we can no longer believe ourselves to be the uniquely important beings for whom the universe was created. .” A classic statement of this view was given by Steven Weinberg in his book The First Three Minutes. He wrote:

“It is almost irresistible for humans to believe that we have some special relation to the universe, that human life is not just a farcical outcome of a chain of accidents, …but that we were somehow built in from the beginning….It is very hard for us to realize that [the entire earth] is just a tiny part of an overwhelmingly hostile universe….The more the universe seems comprehensible, the more it also seems pointless.”

Dr. Barr continues: “Certainly, given the immensity of the universe and the impact of Darwinian ideas, it is easy to understand why this sentiment is widespread. However, in the last few decades there has been a development that suggests a very different estimate of man’s place in the universe. This plot twist was not a single discovery, but the noticing of many facts about the laws of nature that all seem to point in the same direction. These facts are sometimes called “anthropic coincidences.”

The term “anthropic coincidence” refers to some feature of the laws of physics that seems to be just what is needed for life to be able to evolve. In other words, it is a feature whose lack or minute alteration would have rendered the universe sterile. Some of these features have been known for a long time. For example, William Paley, already in 1802, in his treatise Natural Theology, pointed out that if the law of gravity had not been a so–called “inverse square law” then the earth and the other planets would not be able to remain in stable orbits around the sun. Perhaps the most famous anthropic coincidence was discovered in the 1930s, when it was found that except for a certain very precise relationship satisfied by the energy levels of the Carbon 12 nucleus, most of the chemical elements in nature would have occurred in only very minute quantities, greatly dimming the prospects of life.

Interest in and attention to anthropic coincidences has greatly intensified since the work of the astrophysicist Brandon Carter in the 1970s. Many such coincidences have now been identified. The most natural interpretation of them is that we were indeed “built in from the beginning,” in Steven Weinberg’s phrase, and that the universe, far from being “overwhelmingly hostile” to us, as he asserted, is actually amazingly, gratuitously hospitable.

Fr. Robert Barron, writing about St. Thomas Aquinas had this insight into God’s goodness:
“Dionysius, a theologian to whom Thomas Aquinas is deeply in debt, described God as “the good which is diffusive of itself.” For the great mystic Dionysius, goodness is like a fountain, constantly overflowing, or like the sun, naturally radiating out, communicating almost in spite of itself. Or in more psychological terms, it is like a joyful person who simply cannot keep his good cheer to himself. The good spills over speaks itself, shines forth …For Thomas it is precisely this insight into God’s playfulness and capacity for self-offering that convinces Christians of the unspeakable goodness of the divine power. It is this self-forgetfulness of God, made visible in Jesus, that persuades us finally of God’s superabundant generosity. If God had not joined us in our creatureliness, God would remain a limited, finite good, still to some degree restricted in love. In a word, the Christian discovers in Jesus Christ that God’s being is fully ecstatic. God’s nature is to go beyond himself, to step outside of himself, to forget himself in love….For Thomas, Jesus Christ, God made human, is the light by which the goodness, the power, the strangeness, and especially the ecstasy of God are revealed. In his great leap out of himself, God discloses, superabundantly and overwhelmingly, who he is. In this ecstatic leap, God opens up the human mind and heart, illumines and heals the eyes of the human spirit, and thereby sets us on the path that leads to him.”

Hans Urs Von Balthasar speaks to this same goodness and its meaning:
The Ground Of Being And The Good: The Ultimate Cause Of The Creation Of A World
God does not produce the world naturally because he is God, which would then mean that the world would be in the same measure divine and necessary as God himself; rather it is an absolute freedom which is the ground of the self-effusion of the ultimate good. This in turn has two consequences: that God in himself and independently of his relationship to the world is the good, or in Christian terms is love, and that the ultimate cause of the creation of a world can only be the free, loving communication of divine goodness to created beings.  If one thinks this through, then one will have to say, over and above this, that precisely in the freedom of the love of the divine ground of being lies the possibility of there being such a thing as a world (which is not God, not the infinite and the all) at all. Indeed the final point may emerge dimly as a kind of limiting concept which will find its confirmation in the central assertions of the Christian faith: The ground of being can be called the good as free love only if it possesses in itself a spiritual life of love; that is to say, if there is within it a self-giving, a communing, a communality that does not impugn the identity of the absolute but indeed is the necessary condition of its truly being the absolute good.

The Intentions of a Free Divine Good
If (a man) encounters the idea that he …is the image of the freely loving God who consequently also wills him of his freedom, then a strange and remarkable light will be shed on his existence. On the one hand, it will become clear to him that the free divine good has intended him to be this particular person, this unmistakable person, and has consequently freely given to him his freedom insight and responsibility; but that this, on the other hand, cannot be simply a matter of dismissing him, of sending him off without further interest into an estrangement from God. Rather he must realize his being as a man with free, rational responsibility precisely by relating the image to the original, not by turning away, but by turning to God. Here a realm of intimate inwardness is opened up which may take many forms and names: contact with the primal image, cherishing an d contemplating memories and recollections, prayer, the attempt to make human insight and freedom in every situation transparent to absolute insight and freedom. It is an openness, ready to be formed and fulfilled; it is making room for the one who may come to dwell, a readiness to the be the womb which shall bear fruit each in one’s own particular human world activity and efforts.

Most scientists take a very jaundiced view of the whole subject of anthropic coincidences, but yet they refuse to go away – perhaps because of the very theological observations, so terribly unscientific, that Barron and von Balthazar list above. Those who oppose anthropic coincidences have some respectable reasons, but the major reason, in Dr. Barr’s experience, has been a knee-jerk reaction against anything that smelled like religion or teleology. Moreover, those well-known scientists who have shown interest in anthropic coincidences generally see them as having an explanation that does not invoke purpose in nature.

They appeal to what is sometimes called the Weak Anthropic Principle. This is the idea that a variety of different laws of physics apply in different regions of the universe, or even in different universes, and that so many possible laws of physics are sampled in this way that there is really no coincidence in the fact that in some places the laws are “just right” for life.

This is a very speculative idea, and as an explanation of all the anthropic coincidences it faces formidable difficulties. However, it cautions us that the anthropic coincidences may not point unambiguously to cosmic purpose. Yet one thing is for sure, these coincidences do completely vitiate the claim that science has shown life and man to be mere accidents and life the outcome of a mechanistic determinism. If anything, the prima facie evidence is in favor of the biblical idea that the universe was made with life and man in mind.

Next in the series:

http://payingattentiontothesky.com/2009/05/26/annals-of-atheism-iv-the-determinism-of-physical-law-meets-the-indeterminacy-of-quantum-theory/

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