The Doctor: You really want to think about this. Because if I activate the signal, every living creature dies.
Dalek Emperor: I am immortal.
The Doctor: D'you want to put that to the test?
Dalek Emperor: I want to see you become like me. Hail the Doctor! The great exterminator!
The Doctor: I'll do it!
Dalek Emperor: Then prove yourself, Doctor. What are you? Coward or killer?
The Doctor: Coward. Any day.
