"Go back!"[]
- "We have to go back for him." - Kate to Charlie, regarding Jack ("Pilot, Part 1")
- "We have to go back!" - Boone to Jack ("White Rabbit")
- "We need you to come back, Jack... please?" - Kate to Jack ("The Greater Good")
- "Go back, Vincent! Vincent, go back, go back!" - Walt ("Exodus, Part 1")
- "Go back, Ana Lucia." -Sayid to Ana Lucia ("One of Them")
- "Ready to go back?" -Libby to Hurley ("Dave")
- "We have to go back..." - Kate to Sawyer as they escape from Hydra Island ("Stranger in a Strange Land")
- "We have to go back, Kate... we have to go back!" - Jack to Kate ("Through the Looking Glass, Part 2")
- "I think it wants us to come back..." -Hurley ("The Beginning of the End")
- "We're never going back!" -Jack ("The Beginning of the End")
- "I can't get back..." - Minkowski's dying words ("The Constant")
- "We have to go back!" - Sun to Frank on the helicopter ("There's No Place Like Home, Part 3")
- "We have to go back?" - Kate to Jack ("There's No Place Like Home, Part 2")
- "We have to go back." - Locke to Jack ("The Life and Death of Jeremy Bentham")
- "We have to go back for him" - Kate to Sawyer ("The Last Recruit")
"God help us all"[]
- "If that would have happened, then god help us all." - Pierre Chang to Tony at the Orchid ("Because You Left")
- "Then god help us all." - Ms. Hawking to Ben ("The Lie")
- "God help us if it ever leaves this island" - Ilana Verdansky before being suddenly blown up ("Everybody Loves Hugo")
"Good people", "Bad person", etc.[]
"Happily ever after"[]
- "Yes, we'd have both lived happily ever after... " - Ben to Roger ("Dr. Linus")
- "Just bring me the money and then we could all live happily ever after, right?" - Keamy to Sun and Jin ("The Package")
- "Happily Ever After", the title of the eleventh episode of season 6
"Hey yourself"[]
- Used by the main characters often in a response to "Hey".
- "Morning yourself." - Kate to Jack ("Something Nice Back Home")
"I didn't sign up for this."[]
- "And then my 3rd wife, she says, get this, she says, "I didn't sign up for this." Now you tell me, what the hell is that even supposed to mean?" - Arzt to Hurley. ("Exodus, Part 2")
- "I didn't ask for this!" - Rose to Bernard. ("S.O.S.")
- "Oh this ain't what I signed up for!" - Roger to Horace about skirmishes with the natives.. ("The Man Behind the Curtain")
- Hurley: "Nuh uh, no, that's not what I signed up for." Locke: "What did you sign up for, Hugo?" - Regarding taking Charlotte as a hostage. ("The Economist")
- After discovering Danielle and Karl's bodies, Miles says "I didn't sign up for this". ("Something Nice Back Home")
"I'm not going anywhere with you."[]
- Walt to his father, Michael ("Special")
- Hurley to his father, David Reyes ("Tricia Tanaka Is Dead")
- Locke to Mikhail about Ben going with him ("The Man Behind the Curtain")
- "No one's going anywhere with you, John. Because they're not crazy." - Jack to Locke about joining Locke's group. ("The Beginning of the End")
- "I'm not going anywhere with that man." - Rose to Bernard about joining Locke's group. ("The Beginning of the End")
- "He ain't going anywhere with you, you crazy son of a bitch." - Sawyer to Locke, regarding Hurley ("The Shape of Things to Come")
- "Why would I go anywhere with you?" - Hurley to Sayid in the Santa Rosa Mental Health Institute ("There's No Place Like Home, Part 3")
- Hurley to Locke ("The Life and Death of Jeremy Bentham")
- Richard to The Man in Black ("The Substitute")
"Irreversible"[]
- "By the time I was called in the damage was irreversible." - Christian Shephard to Head Doctor ("All the Best Cowboys Have Daddy Issues")
- "Surgery isn't gonna do anything to help me, my condition is irreversible." - Locke to Jack ("LA X, Part 1")
- "Nothing is irreversible." - Jack to Locke ("LA X, Part 1")
- "You could find yourself in a situation that's irreversible." - Desmond to Claire ("The Last Recruit")
- "Nothing is irreversible." - Kate to Jack ("The End")
"It doesn't work like that"/"That's not how it works"[]
- "That's not how it works" - Richard Malkin to Claire ("Raised by Another")
- "It doesn't work that way." - Locke to Michael ("What Kate Did")
- "It doesn't work like that" - Desmond to Donovan ("Flashes Before Your Eyes")
- "It doesn't work like that" - Desmond to Charlie ("Tricia Tanaka Is Dead")
- "Doesn't work like that" - Desmond to Hurley ("Exposé")
- "...then you really don't know how the world works." - Sawyer to Kate ("The Economist")
- "That's not how it works" - Miles to Hurley ("Some Like It Hoth")
- "That's not how it works, John" Ben to Locke ("Follow the Leader")
- "Jim, that's not how it works." Miles to Sawyer ("LA X, Part 2")
- "It doesn't work like that, I told you." - Hurley to Jack ("Lighthouse")
- "If I light this myself it won't work." - Richard to Jack ("Dr. Linus")
"It's a leap of faith."[]
- Helen to Locke ("Orientation")
- Locke to Jack ("Orientation")
- Eloise to Jack ("316")
- "So, if you wanna take a leap of faith, Jack, then take it... Get off my damn boat." Sawyer to Jack ("The Last Recruit")
"It's not real, none of it is real."[]
- Jack to Locke ("Orientation")
- Locke to Desmond ("Live Together, Die Alone, Part 2")
- Hurley to Libby ("Dave")
- Desmond when he arrives on the freighter ("The Constant")
"It worked."[]
- Ben, about The Island's apparent resurrection of Locke. ("Dead Is Dead")
- Juliet to Sawyer, seemingly about the Jughead detonation. ("LA X, Part 1")
- Juliet to Sawyer, about the vending machine. ("The End")
"Killer/Murderer"[]
- "I am not a murderer." - Jack to Kate ("Tabula Rasa")
- "We both know you ain't the killing type." - Hibbs retorts to Sawyer ("Outlaws")
- "Should you find you're not a killer, there's no refund." - The Australian gun dealer to Sawyer ("Outlaws")
- "I don't have murder in my heart." - Sgt. Austen to Kate ("What Kate Did")
- "You're the killer, Ana Lucia." - Ben to Ana Lucia ("Two for the Road")
- "You're not a killer, Sun." - Colleen to Sun ("The Glass Ballerina")
- "You're not a murderer. You're a good man." - Eddie to Locke ("Further Instructions")
- "We're not murderers." - Ben to Sawyer ("Every Man for Himself")
- "I'm a con man, not a murderer." - Anthony Cooper to Locke ("The Man from Tallahassee")
- "I'm not a murderer." - Locke to Sawyer ("The Brig")
- "Locke, uh... He's a murderer." - Bernard to Jin ("Ji Yeon")
- "Is that why you want to kill yourself, Michael? Because that's the way he looks at you now? Because he knows you're a murderer?" - Tom to Michael ("Meet Kevin Johnson")
- "I am a killer." Sayid ("He's Our You")
"The last time you had a gun..."[]
- "The last time you handled a sidearm..." "I killed a murderer. I did us all a favor." - Sayid and Charlie ("Exodus, Part 1")
- "As I recall, the last time you had a gun, you murdered someone." - Charlie to Ana Lucia ("The Whole Truth")
"Let go"[]
- "Time to let go, Freckles." - Sawyer to Kate ("Confidence Man")
- "Let go. I know you want to." - Sawyer to Jack ("Confidence Man")
- "Let go of me." - Claire to Jack ("Raised by Another")
- "It's time for you to let go of some things." - Locke to Boone ("Hearts and Minds")
- "Time to let go." - Locke to Boone ("Hearts and Minds")
- "The problem is you're just not good at letting go." - Christian Shephard to Jack ("Do No Harm")
- "I'm not good at letting go." - Jack to Sarah ("Do No Harm")
- "Let me go, Jack." - Boone to Jack ("Do No Harm")
- "Let it go! Let it go! Let it go!" - Lily to Charlie fighting over the heroin stash ("Exodus, Part 2")
- "Let me go. Just let me go." - Locke to Jack ("Exodus, Part 3")
- "Then let him go, because it's not about you or me, it's about him. I don't want to go to court Michael, so please, just let him go." - Susan to Michael ("Adrift")
- "We were there to get past him, to get on with our lives, to let him go." - Helen to Jimmy Bane ("Lockdown")
- "I'm never going to let go, brother." - Desmond to Kelvin ("Live Together, Die Alone, Part 2")
- "Let it go." - Christian Shephard to Jack ("A Tale of Two Cities")
- "Don't you let go! Don't even think about it, Sawyer, you fight!" - Kate to Sawyer ("I Do")
- "Why don't you let go of my wrist?" - Kate to Juliet ("Left Behind")
- "Just let it go." - Kate to Jack ("Something Nice Back Home")
- "No, you don't let go!" - Sawyer to Juliet ("The Incident, Part 2")
- "You can let go now. It's okay. You--you can let go." - Rose to Jack ("LA X, Part 1")
- "Maybe I'm supposed to let go." - Jack to Hurley ("Everybody Loves Hugo")
- "What makes you think letting go is so easy?" - Locke to Jack ("The Candidate")
- "You can let it go" - Jack to Locke ("The Candidate")
- "You're letting him go?"-Jacob to Mother about his brother ("Across the Sea")
- "I'm not here to hurt him, I'm here to help him let go." - Desmond to Ben about Locke ("What They Died For")
- "To remember, and to let go" - Christian Shephard to Jack ("The End")
"Letting you off the hook"[]
- Rose to Jack ("Walkabout")
- "She (Locke's foster mother) thought the dog had come back to tell her the accident wasn't her fault. Let her off the hook." Locke to Kate and Sawyer about the dog his foster mother believed to be her daughter reincarnated ("Outlaws")
- Boone to Jack ("Do No Harm")
- Sarah to Jack ("Man of Science, Man of Faith")
"Lift it up"[]
- Desmond to Jack at the stadium ("Man of Science, Man of Faith")
- "Sursum corda" - ("Lift up your hearts" in Latin), on the blast door map ("Lockdown")
- "Lift up your eyes and look north" - Eko's stick has Genesis 13:14 inscribed on it ("I Do")
"Live together, die alone"[]
- "If we can't live together, we're going to die alone." - Jack's famous speech to the survivors ("White Rabbit")
- Sayid quoting Jack ("House of the Rising Sun")
- "Live together, die alone, right?" - Kate quoting Jack ("Man of Science, Man of Faith")
- Jack to Michael, and also the episode title ("Live Together, Die Alone, Part 1")
- Kate to Sawyer ("Every Man for Himself")
- "If you say 'live together, die alone' to me Jack, I'm gonna punch you in your face." - Rose to Jack, quoting him ("Through the Looking Glass, Part 1")
- "You don't get to die alone." - Sawyer to Jack ("There's No Place Like Home, Part 1")
- Juliet to Sawyer ("The Incident, Part 2")
- " What is your deal Jim? You wanna die alone? " - Miles to Sawyer ("Recon")
"Not the enemy"[]
- "Believe it or not, Michael, I am not your enemy." Juliet to Michael ("The Deal")
- "But despite what you may think, I'm not the enemy. We are not the enemy." Colleen to Sun ("The Glass Ballerina")
- "We are not your enemy." - Juliet to Cunningham ("Jughead")