Read today:
“You have to remember, as old as I am, I was born in the Great Depression,” she said. “I lived through World War II. I remember Hitler. I remember my cousin was with Eisenhower when they opened up the concentration camps. … I mean, I understand protecting democracy.” — Anderson, 91 years old.
From my perspective, it is not rocket science. Read history. Inform yourself. Avoid misinformation and social entropy. Know that a single individual or just a few, can bring misery and wars to many. Help avoid a repeat of the horrible past events in (the not so far in the past) history.