There were some more direct hints that time travel was involved in events that already happened. In the story of Weasley's pet rat:
Guy was convinced he was ninety-seven years old and had died and gone back in time to his younger self via train station. (Ch.29)
In the dictionary attack on Hermione:
"Just what do you think you know, and how do you think you know it, anyway?" -- "Time -" The voice seemed to catch itself. "Time enough for that later." (Ch.77)
Forgive me if others have mentioned this idea, or if there is firm evidence that it isn't possible, but..
I've been thinking about this since early on. I know most people feel that Quirrel is Voldemort, but I keep wondering if he's a future, middle-aged Harry from an alternate timeline (but (probably) not the canon timeline). I wonder if Harry destroyed the his universe as prophecied trying to save Hermione, and then time traveled to make another attempt. However, this would cause a paradox, but there is a theory that time travel paradoxes can be avoided if...
This is a new thread to discuss Eliezer Yudkowsky’s Harry Potter and the Methods of Rationality and anything related to it. This thread is intended for discussing chapter 93. The previous thread has passed 300 comments.
There is now a site dedicated to the story at hpmor.com, which is now the place to go to find the authors notes and all sorts of other goodies. AdeleneDawner has kept an archive of Author’s Notes. (This goes up to the notes for chapter 76, and is now not updating. The authors notes from chapter 77 onwards are on hpmor.com.)
The first 5 discussion threads are on the main page under the harry_potter tag. Threads 6 and on (including this one) are in the discussion section using its separate tag system. Also: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17,18,19,20.
Spoiler Warning: this thread is full of spoilers. With few exceptions, spoilers for MOR and canon are fair game to post, without warning or rot13. More specifically: