It is useful to remember that history is to the nation as memory is to the individual. As persons deprived of memory become disoriented and lost, not knowing where they have been and where they are going, so a nation denied a conception of the past will be disabled in dealing with its present and its future. [...]

History is a doomed enterprise that we happily pursue because of the thrill of the hunt, because exploring the past is such fun, because of the intellectual challenges involved, because a nation needs to know its own history. Or so we historians insist. Because in the end, a nation’s history must be both the guide and the domain not so much of its historians as its citizens.

– historian Arthur Meier Schlesinger, Jr., born today in 1917