As she turned left to the gateway, it occurred to her that swimming was only one of a very large number of things she had no idea what to do. Peter had been right to object to her ignorance. "It's not that I'm lazy," she explained to Waif as they arrived in what seemed to be stables, "or stupid. I've just not bothered to look round the edges of Mother's way of doing things, you see.
Diana Wynne Jones, House of Many Ways
ignorance