Esk, of course, had not been trained, and it is well known that a vital ingredient of success is not knowing that what you’re attempting can’t be done. A person ignorant of the possibility of failure can be a halfbrick in the path of the bicycle of history.
Granny bit her lip. She was never quite certain about children, thinking of them – when she thought about them at all – as coming somewhere between animals and people. She understood babies. You put milk in one end and kept the other end as clean as possible. Adults were even easier, because they did the feeding and cleaning themselves. But in between was a world of experience that she had never really enquired about. As far as she was aware, you just tried to stop them catching anything fatal and hoped that it would all turn out all right.
Equal Rites by Terry Pratchett