Once upon a time I visited Fairy-land and spent a day in Goblin-town. The people there are much like ourselves, only they are very, very small and roguish. They play pranks on one another and have great fun. They are good natured and jolly, and rarely get angry. But if one does get angry, he quickly recovers his good nature and joins again in the sport.
If a Goblin should continue angry he would take on some visible form. Perhaps he would become a toad or a squirrel, or some other little animal, and would have to live here on the Earth-plane forevermore. But, if he keeps good natured, he can come here and have his fun, and not be seen by any one except a Seer, or very wise person.
The Goblins are gracious to the wise people now, but they were not always so. A long, long time ago, on a Christmas-eve, the Fairy-folk were having great sport. All the little people of the Unseen-world had gathered together in the Earth-realm. There were Brownies, and Gnomes, and Elves;