"I remember that as a child I was so absorbed in my tellings to others that they could see what I saw. I could always get an audience. Not that I looked for one, the telling was all, or rather, the seeing. I don't think I write for children, any more than the great Miss Potter. For what? Whom? Well, myself, perhaps; I never think of an audience, that would kill everything. I think all children's books are grown-up books. When children's books are children's books they are not worth reading."
P.L. Travers, quoted in Tellers of tales: children's books and their authors from 1800-1964 by Roger Lancelyn Green.
You can hear Pamela Travers' Desert Island Discs here.