How we cite our quotes: All quotations are from Star Trek VI: The Undiscovered Country.
Quote #4
CHANG: Tell me, Captain Kirk, would you be willing to give up Starfleet?
SPOCK: I believe the Captain feels that Starfleet's mission has always been one of peace.
Kirk, as it turns out, disagrees with Spock's assessment of their mission. To be fair, however, he's not exactly an unbiased party: Kirk has spent his entire adult life fighting Klingons—and losing loved ones to them—so is it really fair to expect him to turn on a dime and accept peace?
Quote #5
KIRK: Far be it for me to dispute my first officer, but Starfleet has always been—
CHANG: Captain, there's no need to mince words. In space, all warriors are cold warriors.
They just had to drop a direct shout-out to the Cold War in case the metaphor wasn't obvious, right? Basically, the peace process depicted in the film mirrors the one between the U.S. and Soviet Union at the end of the Cold War. Nifty, huh? In addition, however, this exchange reaffirms the strange bond between Kirk and Chang.
Quote #6
KIRK: We'll not be the instigators of a full-scale war on the eve of universal peace.
Despite his hesitations, Kirk reveals his true colors once the dilithium hits the fan. That's the difference between Kirk and Chang: Chang fights against peace because he loves war, while Kirk only does so because he fears change.