I have been reading a book about time travel (Orson Scott Card's Pathfinder, if you're interested).
Time travel is a concept that totally messes with my head. If I go backwards in time and change something, then, surely, I don't have to go backwards in time to change anything because it's already changed. And if I run into myself when I travel back in time, are there two of me? (Come to think of it, Yes! There are two Spocks in the new Star Trek franchise ...)
Is it any wonder that I chose to be an accountant?
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