Taken from this forum . Everyone has some faith in an ultimate something that cannot be substantiated solely by physical evidence. Atheists have faith in naturalism alone - their faith is nakedly exposed in topics such as the origin of life or, as they term it, abiogeneis. Abiogenesis is the idea that life originated from non-living matter in the sense that it arose naturalistically. The naturalistic (and therefore “scientific”) concept is that life ("bio") must have originated ("genesis") without ("a-") any outside help. Life, ALL BIOLOGICAL LIFE anywhere in the universe, ultimately either arose naturally or supernaturally. So, ultimately, there are really only two alternatives. With abiogenesis, atheists must ulimately rely upon the "unknown process" of the gaps in contrast to the theists' so called "God of the gaps" argument (a criticism of ID). The reason this explanation is not any better than their own sarcastic carature of Go...
A critique of atheists's claims to rationality.