“- Walsh: Does that mean he wants you to prove your own client is guilty of murder?
- Jake Gittes: Yeah.
- Walsh: Well, is that ethical?
- Jake Gittes: Larry, he's a lawyer.”
Joe Mantell - Walsh
Jack Nicholson - Jake Gittes

“Moral concepts? I'm a scientist. To me there is no good or evil, only true or false. Work with one; discard the other.”

George Zucco - Dr. Alfred Morris

“Your scientists were so preoccupied with whether they could, they didn't stop to think if they should.”

Jeff Goldblum - Malcolm

“My job requires a certain moral flexibility.”

Aaron Eckhart - Nick Naylor

“Morality - the last bastion of a coward.”
Robert Carlyle - Col. Ives