There are three parts to history: ancient history, things you remember living through, and what the young folk think the things you remember living through were

There are three parts to history: ancient history, things you remember living through, and what the young folk think the things you remember living through were like. (Gallia est omnis divisa in partes tres: qui cum oleo coquunt, qui cum butyrum coquunt, qui cum adipe coquunt.)