• Farewell, farewell," said the swallow, with a heavy heart, as he left the warm countries, to fly back into Denmark. There he had a nest over the window of a house in which dwelt the writer of fairy tales. The swallow sang "Tweet, tweet," and from his song came the whole story.

    Hans Christian Andersen (1901). “Fairy Tales of Hans Christian Andersen (Complete)”, p.811, Library of Alexandria