Dr who sixth doctor quotes Revelation of the Daleks

Davros: This part of the galaxy is developing quickly. Famine was one of its major problems.

The Doctor: You turned them into food?

Davros: A scheme which has earned me great acclaim.

The Doctor: But did you bother to tell anyone that they might be eating their own relatives?

Davros: Certainly not! That would have created what I believe is termed... "consumer resistance".

The Doctor: Ah, I see you have been busy.

Davros: Whereas you have been stupid, Doctor.

The Doctor: Prerogative of a Time Lord.