Many atheists assert that an eternal universe is explanatorily equivalent to an eternal God.  For example, Sagan once asked, “If we say that God has always been, why not save a step and conclude that the universe has always been?”[1]  And just recently, two prominent atheists made the same claim.  In his new book, A Universe from Nothing, Lawrence Krauss writes, “[T]he declaration of a First Cause still leaves open the question, ‘Who created the Creator?’ After all, what is the difference between arguing in favor of an eternally existing creator versus an eternally existing universe without one?”[2]  Victor Stenger agrees with Krauss:

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