There's another trouble about theories: there's always a hole in them somewheres, sure, if you look close enough. It's just so with this one of Jim's. Look what billions and billions of stars there is. How does it come that there was just exactly enough star-stuff, and none left over? How does it come there ain't no sand-pile up there?

The Complete Works of Mark Twain (Volume 14), Tom Sawyer Abroad (pp. 78-79)