Eckels' perception is related to the modification of history when it affects him directly. This makes the reader realize how everything is interconnected.
How did Eckels change history?
- He went to the past to research dinosaurs.
- He cleared the way for a butterfly to pass.
- He changed the butterfly's fate.
By modifying the butterfly's fate, Eckels allowed a series of events to play out differently, bringing about a completely different future from the one he knew.
He doesn't notice this change at first, but little by little he starts to be affected by it, causing him to realize his mistake in a surprising way, which also surprises the reader.
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