Parts from various Terminator models are interchangeable.
Cameron is not a Terminator model designed for fighting.
Sarah: I was wondering when we'd see you again.
Riley: They make you rest a couple days.
Sarah: Does it help.
Riley: Not really.
Riley: It shouldn't have happened here, or not at all. (talking about her suicide attempt)
John: It's in the past.
Riley: People don't forget about the past.
John: I'm not saying forget it. I'm saying, it's in the past.
Cameron: You've been distracted.
Sarah: I was kidnapped.
Cameron: Which is distracting.
Cameron: (to John) Future John has better information than you do.
John: You feel any different?
John: Are you all fixed?
Cameron: I don't know.
John: Well just try not to kill any more birds.
Cameron: You're ahead of schedule.
John: With what?
Catherine: What you need to learn.
John: Do you think it's possible for me to know something future John doesn't know?
Cameron: That's hard to know. Seems unlikely.
John: You think it's possible for me to know something you don't know?
Cameron: Are you asking me if future John kept secrets from me? (John nods) I'm sure he did.
Cameron: This is your fault.
Riley: What's my fault?
Cameron: You're the reason that person is here. (Cameron's left hand twitches)
Riley: You're John's sister. You can't keep me here.
Cameron: They don't always like the way I do things.
Cameron: You tried to fix me. Twice now. It's not working.
Cameron: I'm not capable of self-termination.
Cameron: I can't kill myself, but you can.
John: Why would I want to kill you?
Cameron: You might have to some day. I've planted an explosive in my skull near my chip. It's a small amount, but it's enough.
visual: John opens the watch to find a set of three buttons, one of them red.
visual: Cameron puts the watch around John's neck.
Cameron: All you have to do is hit the switch.
John: What would future John do now?
Cameron: Future John doesn't live here. You do.