->''"My PDA right here now has a perfect image of you in it. I have a pretty good holo-disguise, too. It's not predetermined that'' '''''you''''' ''arrive at the beach last Saturday. Realistically, I could go back disguised as you; it'd be indistinguishable to the me from back then, wouldn't it?"''
-->-- '''Kyon''', ''Fanfic/KyonBigDamnHero''

->''"Sometime today, old Biff will show up to give young Biff the [[TimelineAlteringMacGuffin Almanac]]. Above all, you must not interfere with that event. We must let old Biff believe he succeeded, so that he'll leave 1955 and bring the [=DeLorean=] back to the future."''
-->--'''Doc Brown''', ''Film/BackToTheFuturePartII''
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