So why had we stayed silent that day? I suppose it was because even at that age – we were nine or ten – we knew just enough to make us wary of that whole territory. It’s hard now to remember just how much we knew by then. We certainly knew – though not in any deep sense – that we were different from our guardians, and also from the normal people outside; we perhaps even knew that a long way down the line there were donations waiting for us.