"Call me old fashioned, but if you really wanted peace couldn't you just stop fighting?

The Doctor: "Hang on. Hang on. A second ago it was peace in our time and now you're talking about genocide!"
Lieutenent Cobb: "For us, that means the same thing!"
Exchange between The Doctor and Lieutenant Cobb in the Doctor Who episode The Doctor's Daughter (exchange occurs around time 2:00).
Image nabbed from here (look under Posters).
Comments
travis: it is called "Birthing Machine" by H.R. Giger (they artist who designed the alien and alien ship for Alien).