" Most of them would have nothing to do with a caterpillar, except watch it through its changes; but when at length it came from its retirement with wings, all would immediately address it as Sister Butterfly, congratulating it on its metamorphosis--for which they used a word that meant something like REPENTANCE--and evidently regarding it as something sacred. "

― George MacDonald , The Complete Works of George MacDonald (Illustrated Edition): The Princess and the Goblin, Phantastes, At the Back of the North Wind, Lilith, England's ... Princess, The Golden Key and many more