While searching creationist websites for the half-remembered argument I was looking for, I found what may be my new favorite quote: "Mathematicians generally agree that, statistically, any odds beyond 1 in 10 to the 50th have a zero probability of ever happening."

That reminds me of one of my favourites, from a pro-abstinence blog:

When you play with fire, there is a 50/50 chance something will go wrong, and nine times out of ten it does.