 [T]he two turtle theory [the world rests on a turtle, which rests on another turtle, which is unsupported] is stranger and more absurd than the one turtle theory, the three turtle theory worse than the two, a twenty-eight turtle theory worse even than the three, an exactly seven million turtle theory loonier still, and so on. The infinite turtle theory, while perhaps more motivated than the finite turtle theories, seems to be in some respects the limit of an increasing sequence of absurdity.