“I'm a doctor of cowshit, pigshit, and chickenshit.....when you doctors figure out what you want, you'll find me out in the barn shoveling my thesis.”

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

“Me? I'm being ridiculous? You're the one flirting for your thesis. What the hell kind of degree is that anyway? A doctorate of dick tease?”

“Do you believe in God, doctor?"No - but what does that really mean? I'm fumbling in the dark, struggling to make something out. But I've long ceased finding that original.”

“Dad stepped forward. "Mr. Zelden, I'm Patrick Silver."Zelden Frowned. “It’s Doctor Zelden, if you don’t mind. I do hold a doctorate in theology, you know.”Dad gave him a stiff smile. “Of course.”Both my parents held doctorates in psychology, but they never referred to themselves as doctors. They said that title should be reserved for people who could actually save lives, not just write a thesis.”

“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.”