Biting's excellent. It's like kissing - only there is a winner.

Idris: Are all people like this?
The Doctor: Like what?
Idris: So much bigger on the inside.

Geronimo!

You don't want to take over the universe. You wouldn't know what to do with it beyond shout at it.

Angel Bob: Doctor? Excuse me, hello, Doctor? Angel Bob here, sir.
The Doctor: Ah, there you are, Angel Bob. How's life? Sorry, bad subject.
Angel Bob: The Angels are wondering what you hope to achieve.
The Doctor: Achieve? We're not achieving anything. We're just hanging, it's nice in here: consoles; comfy chairs; a forest... how's things with you?
Angel Bob: The Angels are feasting, sir. Soon we will be able to absorb enough power to consume this vessel, this world, and all the stars and worlds beyond.
The Doctor: Yeah, but we've got comfy chairs. Did I mention?
Angel Bob: We have no need for comfy chairs.
The Doctor: [amused] I made him say 'comfy chairs'.

There's something that doesn't make sense. Let's go and poke it with a stick.