Dead End in Norvelt
When Mrs. Roosevelt spoke at the opening of the school she told the students to learn their history or they'd be "doomed to dust" like one of the Lost Worlds. (2.118)
Be suspicious of history that is written by the conquerors. (7.1)
"'Hey, Dad [...] Which do you think is more deadly? Past history or future history?"
He didn't even slow down to think about it. "Future history," he yelled back without hesitation. "Each war gets worse because we get better at killing each other." (9.29)