This is not simply a story about a frog and a prince. A story about a frog would be biological. A story about a prince would be historical. But a story about a frog-prince is magical, and therein lies all the difference. – Jane Yolen, Touch Magic: Fantasy, Faerie and Folklore in the Literature of Child

In fairyland we avoid the word “law”; but in the land of science they are singularly fond of it…. The only words that ever satisfied me as describing Nature are the terms used in fairy books, “charm,” “spell,” “enchantment.” They express the arbitrariness of the fact and its mystery. – G.K. Chesterton, “The Ethics of Elfland,” Orthodoxy