"Oh, I hate astronomy," she says, perhaps glad enough to get away to this new subject. "There is no plan in astronomy, no regularity; everything is different from everything else, and that is what makes it difficult to understand. Now, for example, why shouldn't there be a crescent sun as well as a crescent moon?"
The Strange Adventures of a House-boat: A Novel, Chapter VII (p. 73), Harper & Brothers Publishers. 1904