Belief in God is rational

Something must be the thing from which everything else came from. Is it reasonable to suppose that everything had an origin from nothing? Well, all experience indicates that from nothing, nothing comes. So everything must've come from some thing. When I refer to "everything" I mean the universe. There is nothing that exists necessarily (except for maybe abstract objects such as mathematical entities). If everything exists contingently, then there is an actual infinite regress of contingent causes. If there is an actual infinite regress of contingent causes this is logically absurd because in order to begin the infinite chain of contingency it presupposes its own non-necessary existence. This is true whether the A or B theory of time is true. Nothing in the universe under either theory exists without a cause. So we've established that (1) something did not come from nothing and (2) that there is not an infinite chain of contingent causes. Note: when I say "nothing" I actually mean no thing. Nothing at all. Nada. What can reasonably be determined by the elimination of (1) and (2) is that there exists a necessary cause that began the chain of contingency. This thing must exist necessarily and be eternal to be the thing from which everything else came from. What is the most reasonable candidate for a "necessary cause"? Well first, the most plausible explanation is that this necessary cause is transcendent of the physical universe. Stephen Hawking admits that the Big Bang is the moment in which space-time and energy came into being from a singularity of infinite density. Since all experience indicates that contingent causes occur with an explanation, and since the beginning of the universe was contingent (it didn't need to exist necessarily), then it must have an explanation. Since the *physical* universe began to exist, therefore, this requires a metaphysical explanation. The notion that the physical caused the physical to exist is incoherent. So what possible candidates are metaphysical and causally-able? Abstract objects are metaphysical but not causally-able. Minds are the only plausible candidate for something metaphysical and causally-able. Therefore the Big Bang was most plausibly caused by a transcendent mind (that was necessarily timeless, spaceless, immaterial, powerful). We call this mind God. Piggybacking off of that, just what kind of universe do we live in? Apparently one that is fine-tuned for life. The cosmological constant is the set of values that determined what kind of universe we live in. If the mass-density ratio were different in as little as 1 part in 10^59 no matter would've formed. If the ratio of electron to proton mass was different in as little as 1 part in 10^37 there would be no chemistry. If the expansion rate of the universe were off in as little as 1 in 10^55 either no galaxies would've formed or the universe would've immediately collapsed on itself. The cosmological constant is 1 part in 10^120 and is just one of various constants allowing a very narrow possibility of any life forming. Without that 1 life-permitting variable life would've been impossible. That is a 1 in 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 variable (10^120) that *even possibly* ANY form of life could be supported in this universe let alone intelligent life. Now, if there is an intelligent designer of the universe, a universe that is fine-tuned for life is very likely. If there isn't an intelligent designer of the universe, the odds that this universe came into being by chance is incomprehensibly small. The most plausible explanation, therefore, is that it was designed by an intelligent designer. This intelligence designer is God. Now, piggybacking off of the previous argument, what is the probability of the emergence of life? Harold Morowitz of Yale has estimated the probability of the formation of the simplest and smallest organism to be 1 in 10^340,000,000. Anything that has a greater chance than 1 in 10^50 of occurring is basically deemed impossible since the universe only had billions of years to arrange anything. Information that is specified and complex infers intelligent design. The original DNA molecule (required for the first forms of life) had specified-complex information embedded within it (as specific sequencing of ATCG). If such information is that unlikely to have arranged by chance, and that type of information infers intelligent design, it is most plausible that an intelligent designer was responsible for the emergence of the information in all simple life forms. We find ourselves as sentient, moral, and intelligent beings asking ourselves whether belief in an intelligent designer is rational. I think the answer is obviously, of course.