HOUSE: Fear me. I've killed hundreds of Time Lords.

DOCTOR: Fear me. I've killed all of them.

IDRIS: Biting's excellent. It's like kissing, only there's a winner.

IDRIS: Are all people like this?

DOCTOR: Like what?

IDRIS: So much bigger on the inside.

DOCTOR: I just want to say, you know, you have never been very reliable.

IDRIS: And you have?

DOCTOR: You didn't always take me where I wanted to go.

IDRIS: No, but I always took you where you needed to go.

IDRIS: I wanted to see the universe, so I stole a Time Lord and I ran away. And you were the only one mad enough.

AMY: Look at you pair. It's always you and her, isn't it, long after the rest of us have gone. A boy and his box, off to see the universe.

DOCTOR: I don't age. I regenerate. But humans decay; you wither and you die. Imagine watching that happen to someone that you-- [breaks off]

ROSE: What, Doctor?

DOCTOR: You can spend the rest of your life with me, but I can't spend the rest of mine with you. I have to live on. Alone. That's the curse of the Time Lords.

DOCTOR: Hello, Sarah Jane.

SARAH JANE: [softly] It's you. Doctor. Oh, my God, it's you, isn't it? [realizing] You've regenerated.

DOCTOR: Oh. Half a dozen times since we last met.

SARAH JANE: You look.... incredible.

DOCTOR: So do you.

SARAH JANE: Hm. I got old. What are you doing here?

DOCTOR: Well. UFO sighting. School gets record results. I couldn't resist. What about you?

SARAH JANE: Same.

MICKEY: You're working! Okay, no time to explain. we need to get inside the school. Do you have like, I don't know, a lock picking device?

K9: We are in a car.

MICKEY: Maybe a drill attachment?

K9: We are in a car.

MICKEY: Fat lot of good you are.

K9: We are in a car.

MICKEY: Wait a second. We're in a car.

SETH: If we don't pay tribute, the Nimon will destroy us.

ROMANA: Sounds like an insecure personality to me.

SETH: He lives in the power complex.

ROMANA: That fits.