->'''Time Agent 1:''' Captain, why did you take the ''Defiant'' back in time?\\
'''Sisko:''' It was an accident.\\
'''Time Agent 1:''' So you're not contending it was a predestination paradox?\\
'''Time Agent 2:''' A time loop - that you were meant to go back into the past?\\
'''Sisko:''' No.\\
'''Time Agent 1:''' Good.\\
'''Time Agent 2:''' We hate those.
-->-- ''Series/StarTrekDeepSpaceNine'', "Trials and Tribble-ations"

->'''Vanderbeam''': Wait! Where did you get [[TimeMachine this]]? I was too late to steal it!
->'''Vanderbeam''': I used this suit to steal the one I just gave to you.
->'''Vanderbeam''': But...then where did you get the one you're wearing?
->'''Vanderbeam''': My future self handed it to me two decades ago.
-->-- ''{{Starslip}}''

->'''Nagato''': Since there's no conclusion to the paradox theory, there's no way to prove there's no paradox.
->'''Kyon''': Maybe that's a good enough explanation for ''[[SufficientlyAdvancedAlien you]]''...
-->--''SuzumiyaHaruhi'': Bamboo Rhapsody

->The idea here is that you can travel back in time, but you can't actually change history. So if you go back and try to prevent the assassination of [[WilliamMcKinley President McKinley]], it turns out that you killed him yourself. Or if you go back and try and prevent the Black Plague, it turns out that ''you'' are a [[TomatoInTheMirror flea-ridden diseased rat]].
-->--'''Lore Sjöberg''', "Alt Text"

->''@@[[color:#008282:\\
GC: [=BY NOW YOU SHOULD R34L1Z3 TH1S WHOL3 M3SS W4S 4 B1G S3LF FULLF1LL1NG CLUST3RFUCK=]\\
GC: [=A HUG3 ORG14ST1C MOB1US DOUBL3 R34CH4ROUND=]]]@@''
-->-- '''[[color:#008282:gallowsCalibrator/Terezi Pyrope]]''', ''Webcomic/{{Homestuck}}''

->''In fact that was even ''more'' puzzling, when Harry thought about it. Time had presented him with the finished Prank as a ''fait accompli'', and yet it was, quite clearly, his own handiwork. Concept and execution and writing style. Every last part, even the ones he still didn't understand.''
-->-- FanFic/HarryPotterAndTheMethodsOfRationality

->'''Idris:''' House eats [=TARDISes=].\\
'''The Doctor:''' House what? What do you mean?\\
'''Idris:''' I don't know, something I heard you say.\\
'''The Doctor:''' When?\\
'''Idris:''' In the future.\\
'''The Doctor:''' "House eats [=TARDISes=]"?\\
'''Idris:''' Oh! There you go.
-->-- ''Series/DoctorWho'', "The Doctor's Wife"

->''I am the Bad Wolf. I create myself. I take the [[ArcWords words]]...I scatter them. Across time and space. My message to lead myself here.''
-->-- '''Rose Tyler''' / '''The TARDIS''', "The Parting of the Ways"

->'''The Archmage:''' Are you certain you know what to do?
->'''The Archmage:''' I should. I watched you do it. (disappears)
->'''The Archmage:''' Finally. I thought he'd never leave.
-->-- ''WesternAnimation/{{Gargoyles}}''

-> [[KidFromTheFuture Pierce]]: "I don't believe you, causality is--"
-> Volair: "Pick a number between ten and oh, sixteen."
-> Pierce: "Uh, twelve. Now--"
-> Volair: "How old were you when I suddenly decided to paint the kitchen green?"
-> Pierce: "Twel-- (look of sudden realization). Urk. Uh. muhh.. fuh.."
-> Rhonda: "Told ya."
-->--''UmlautHouse''

->''"Don't do anything that affects '''anything''', unless it turns out [[YouAlreadyChangedThePast you were supposed to do it]], in which case, for the love of God, don't '''[[ConfusingMultipleNegatives not]]''' do it!"''
-->--'''Professor Farnsworth''', ''WesternAnimation/{{Futurama}}'', "Roswell That Ends Well"

->''"Well, I guess that wraps everything up in a nice, [[TemporalParadox paradox]]-free bow"''
-->--'''Professro Farnsworth''', ''WesternAnimation/{{Futurama}}'', "Bender's Big Score"

->'''1971 Robo:''' You're going to learn the ''hell'' out of hyperdimensional mathematics when you get back. Focus on electrodynamics.
->'''1926 Robo:''' Why?
->'''1957 Robo:''' So we'll know how to convert these burnt out powerpacks into a hyper-dimensional bomb to blow up the monster across multiple simultaneous points in space-time.
->'''1926 Robo:''' How'd you know they burned out?
->'''2009 Robo:''' Because we just ''told'' you, so you'll ''remember'' they are, so we can ''tell'' you they are. ''Dah!'' Study temporal mechanics while you're at it. Short version: when your future self tells you to do something, ''you do it.''
-->-- ''AtomicRobo and the Shadow from Beyond Time''

-->''"No one can unmake the past. It's already happened, there's no 'undo'. Similarly, the future already happened. we just haven't '''reached''' it yet."''
-->--'''Sarda The [[AWizardDidIt Wizard Who Did It]]''', ''Webcomic/EightBitTheater'', "[[http://www.nuklearpower.com/2009/06/04/episode-1136-that-is-not-a-predictive-model/ That Is Not A Predictive Model]]"

-->''"Though we can move through time, time itself is unmovable."''
-->--'''[[spoiler: Young Xehanort]]''', ''KingdomHearts3DDreamDropDistance''


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