The Doctor: Want to borrow my shades? [pause] Can't remember who I borrowed them off now. It was either Audrey Hepburn or Pythagoras.
Graham: Pythagoras never wore shades.
The Doctor: Guess you never saw him with a hangover.

Could people and THINGS stop putting things inside me without my permission?

Graham

I'm really good in a tight spot. At least I have been historically. I'm sure I still am.

The Doctor

The Doctor: How's the injury?
Epzo: Painful.
The Doctor: I hope it's made you reconsider your entire philosophy.
Epzo: No.

We gave them our minds, and they made us the creators of Death.

The Doctor [reading]

Pay the prize or pay the price.

Angstrom

Come to Daddy... I mean, Mommy. I really need you right now.

The Doctor

We're all alone. It's how we start and end, and it's the natural state of all points in between.

Epzo

Graham: 1955? Elvis, could we see Elvis?
The Doctor: I think he's in New York this week. I could give him a call.
Graham: You haven't got Elvis' phone number?
The Doctor: Don't ever tell anyone I lent him a mobile phone.

Waitress: We don't serve Negroes.
Ryan: Good. Because I don't eat them.

If [Rosa Parks] can live here all her life, a couple of hours ain't going to kill me. It ain't going to kill me, right?

Ryan

Graham: We will stop somewhere else to eat, now won't we?
The Doctor: No time, Graham!
Graham: Have you noticed that happens a lot? I need regular food.

Doctor Who Quotes

There's a horror movie named Alien? That's really offensive. No wonder everybody keeps invading you.

The Doctor

The Doctor: It's a risk.
Graham: Oh, like none of our other trips have ever been risky.
The Doctor: I have apologized for the Death Eye Turtle Army! Profusely.