Concepts like individuals have their histories and are just as incapable of withstanding the ravages of time as are individuals. But in and through all this they retain a kind of homesickness for the scenes of their childhood.
I love learning about different dialects and I own all sorts of regional and time-period slang dictionaries. I often browse through relevant ones while writing a story. I also read a lot of diaries and oral histories.
When I was in the White House I was confronted with the challenge of the Cold War. Both the Soviet Union and I had 30 000 nuclear weapons that could destroy the entire earth and I had to maintain the peace.