All in my head. Can tell what's a fixed point and what isn't. You met Jack Harkness, yet? He's a fixed point. Means he can't die. Can't be changed.
[Sorry, Jack, giving away your secrets...]
Some things can create a paradox yeah, but mostly I stop others from trying to change history and things. It's easier if you don't think of time as linear.
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All in my head. Can tell what's a fixed point and what isn't. You met Jack Harkness, yet? He's a fixed point. Means he can't die. Can't be changed.
[Sorry, Jack, giving away your secrets...]
Some things can create a paradox yeah, but mostly I stop others from trying to change history and things. It's easier if you don't think of time as linear.