“Doctor: Nyssa, we can't get you out of there just yet. I'm sorry.Nyssa: I know.Doctor: The TARDIS has gone missing. I'm sorry, I have to concentrate-Nyssa: I know, Doctor. You don't have to keep saying you're sorry.Doctor: We'll come for you. When all of this is over we'll follow the comet and get you back.Nyssa: You once said much the same thing to somebody else.”

“If you're gonna leave, I wish you'd just leave. Why do you keep coming back if you're not going to stay? Because even when you're gone, you're never really gone... I won't get over it if you keep coming back. Losing you once was hard enough. And now you're here again and everything's coming back. I'm going to get screwed. And I can't do it again.”

“I don't know what to do, and if I did know what to do I wouldn't tell you, because if I had to tell you today then I'd have to tell you tomorrow, and when I'm gone you'd have to get somebody else to tell you.”

“Dalek: I will talk to the Doctor.The Doctor: Oh will you? That's nice. Hello!Dalek: The Dalek strategem nears completion. The fleet is almost ready. You will not intervene.The Doctor: Oh really? Why's that, then?Dalek: We have your associate. You will obey or she will be exterminated. The Doctor: No.Dalek: Explain yourself.The Doctor: I said, "No."Dalek: What is the meaning of this negative?The Doctor: It means, "No."Dalek: But she will be destroyed!The Doctor: No! 'Cause this is what I'm gonna do. I'm gonna rescue her. I'm gonna save Rose Tyler from the middle of the Dalek fleet, and then I'm gonna save the Earth. And then—just to finish off—I'm gonna wipe every last stinking Dalek out of the sky!Dalek: But you have no weapons, no defenses, no plan.The Doctor: Yeah! And doesn't that scare you to death? Rose?Rose: Yes, Doctor?The Doctor: I'm coming to get you.”

“You forget: I have an addictive personality. I'm addicted to you. Somehow I think you could do all sorts of bad things to me, and I'd still come back to you. Just keep things honest, okay? Tell me what you're feeling. If you're feeling something for Dimitri that's confusing you, tell me. We'll work it out.”

“I know what you want to hear, doctor, but I'm sorry, you're not going to pry some sordid confession out of me.”