I saw old-fashioned cities, quiet streets, small shops, colorful flags and ornaments and decorations—life before machine guns, before communism and c… - Jack Cady

Humans, being creative, can rewrite anything.
...which is a coy way of suggesting that each young generation invents history according to its own bigotries. The rewritten history gets quoted to show that one or another special group has perpetually saved civilization while suffering abuse known only to holy saints. The justification for historians is the same as the justification for janitors. Both sweep up the mess when the public gets done trashing.

I now knew what it was, but just because you can name a thing does not mean you understand it.

Evil uses Hell as a parking lot, and you don’t have to die to park. Evil sets people in the middle of war, famine, excess prosperity, or other of Hell’s appurtenances, then stands back as people freeze or sizzle; and screw themselves. The main interest of Evil is destruction of faith in gods and ethics, knowledge and honor. When faith is destroyed people create their own hells, and a sign stretches across the universe writ large for all to see. It reads: The Future Is Canceled.