I'm not asking you to 'believe in' chance, only to grant that given our current state of knowledge it is the explanation which requires the least assumptions. Beating huge odds is something we know happens in the real world. Magic isn't.-If the Earth cooled down enough to allow some early exotic form of life as described in this article, it was allowed to happen in a short period of geologic time. The odds become enormous, the shorter the time frame.-http://www.nytimes.com/2011/08/22/science/earth/22fossil.html?_r=1&nl=todaysheadlines&emc=tha2