Stories ought not to be just little bits of fantasy that are used to wile away an idle hour; from the beginning of the human race stories have been used - by priests, by bards, by medicine men - as magic instruments of healing, of teaching, as a means of helping people come to terms with the fact that they continually have to face insoluble problems and unbearable realities.
Joan AikenWhy do we want to have alternate worlds? It's a way of making progress. You have to imagine something before you do it.
Joan Aiken