Dr who forth doctor quotes The Hand of Fear

Physician: You're a doctor, yourself?

The Doctor: Well sort of, yes.

Physician: How do you do. Tell me, where did you qualify, if I may ask?

The Doctor: A place called Gallifrey.

Physician: Gallifrey. I've not heard of it. Perhaps it's in Ireland.

The Doctor: Probably.

Sarah: Eldrad must live.

The Doctor: Any being that can exist, let alone thrive, inside a nuclear pile is hardly likely to be deterred by a few primitive missiles.

Professor Watson: But they're the most powerful missiles we have!

The Doctor: On your standards, perhaps. I think we should try much older weapons.

Sarah: Like?

The Doctor: Speech? Diplomacy?

Professor Watson: What?

The Doctor: Conversation? Come on, driver, let's go!

Sarah: I worry about you.

The Doctor: But . . .

Sarah: Ah, but what?

The Doctor: I worry about you.

Sarah: So? Be careful.

The Doctor: We'll both be careful.

King Rokon: So, now you are King, as was your wish. I salute you from the dead. Hail Eldrad! King... of nothing.

Sarah: Don't forget me.

The Doctor: Oh, Sarah. Don't you forget me.

Sarah: Bye, Doctor. You know, travel really does broaden the mind.

The Doctor: Yes. Until we meet again, Sarah.