“- Jen Yu: It must exciting to be a fighter, to be totally free.
- Yu Shu Lien: Fighters have rules, too. Friendship, trust, integrity. Always keep your promise. Without rules we wouldn't survive long.”
Zhang Ziyi - Jen Yu
Michelle Yeoh - Yu Shu Lien

“- Charlie Kaufman: There are no rules, Donald. And anyone who says there are is just, you know...
- Donald Kaufman: Not rules, principles. McKee writes that a rule says you must do it this way. A principle says, this works and has through all remembered time.”
Nicolas Cage - Charlie Kaufman
Nicolas Cage - Donald Kaufman

“Do not kill. Do not rape. Do not steal. These are principles which every man of every faith can embrace.”
Norman Reedus - Murphy MacManus

“Another mistake is for any man to look upon the law as just a set of principles. And just so much language printed on fine, heavy paper. Something he recites and then leans back and takes it for granted that justice is automatically being done.”
Ronald Colman - Professor Michael Lightcap

“- Oscar: I don't understand you. Why do you have to be so goddamned uncompromising?
- Evangeline 'Eva' Dandrige: It's called principle. Maybe the world is in short supply, but I am not.”
Matt Winston - Oscar
Gabrielle Union - Evangeline 'Eva' Dandrige