But if I kill, wipe out a whole intelligent life form, then I’d become like them. I’d be no better than the Daleks! The Fourth Doctor
The above quote is from the Doctor Who episode Genesis of the Daleks. In this episode the Doctor’s people, the Time Lords, have sent the Doctor on a very special mission.
Check out Will’s thoughts on Dr. Who in his What They Said post on bitemybook: http://www.bitemybook.com/2013/04/what-they-said.html