People often wonder why historians go to so much trouble to preserve millions of books, documents and records of the past. Why do we have libraries? What good are these documents and the history books? Why do we record and save the actions of men, the negotiations of statesmen and the campaigns of armies istick 100w?
Because, sometimes, the voice of experience can cause us to stop, look and listen. And because, sometimes, past records, correctly interpreted, can give us warning of what to do and what not to do.