The past was neither as good nor as bad as we suppose: it was just different. If we tell ourselves nostalgic stories, we shall never engage the problems that face us in the present-and the same is true if we fondly suppose that our own world is better in every way. The past really is another country: we cannot go back. However, there is something worse than idealizing the past-or presenting it to ourselves and our children as a chamber of horrors: forgetting it.