“Children are not like us. They are beings apart: impenetrable, unapproachable. They inhabit not our world but a world we have lost and can never recover. We do not remember childhood -- we imagine it. We search for it, in vain, through layers of obscuring dust, and recover some bedraggled shreds of what we think it was. And all the while the inhabitants of this world are among us, like aborigines, like Minoans, people from elsewhere safe in their own time-capsule.”