Piper: We would have known.
Gabe: You're twins, not clones.

Piper: We would have known.
Gabe: You're twins, not clones.
[Contra has chased Tom right up to the Secretary's Office when they are stopped by the MPs]
Tom Farrell: [to nearest MP] I am your superior officer and I am giving you a direct order to *arrest this man*!
Contra #2: I have orders from Pritchard!
Tom Farrell: DO IT!
Contra #2: I have my orders from Pritchard!
Tom Farrell: [to Contra] SHUT UP!
[Tom kicks Contra 2 in the groin. Contra is dragged away by the MPs]
Tom Farrell: And if he resists, SHOOT HIM!
MP: Yes, sir!
Tom Langdon: Maybe this is fate.
Eleanor Carter: No, it's not. This is bad luck, that's all.
J.P. Presley: memories build the bridge between our minds and heart, and they should be preserved like treasured keepsakes
George Smiley: I want to talk about loyalty, Toby. Control recruited you, didn't he? He found you starving in a museum in Vienna, a wanted man. He saved your life, I heard. And yet, when the time came… when it came to picking sides between him and Alleline, you didn't hesitate. It's understandable, perhaps, with your war experience. You survived this long, I suppose, because of your ability to change sides, to serve any master.
Easterhase: What's… what's this about, George?
George Smiley: It's about which master you've been serving, Toby.
[to Rocco who has killed Paulie in the car]
Peter Clemenza: Leave the gun. Take the cannoli.
[last lines]
CIA Superior: What did we learn, Palmer?
CIA Officer: I don't know, sir.
CIA Superior: I don't fuckin' know either. I guess we learned not to do it again.
CIA Officer: Yes, sir.
CIA Superior: I'm fucked if I know what we did.
CIA Officer: Yes, sir, it's, uh, hard to say
CIA Superior: Jesus Fucking Christ.
Léo: Imagine that you are a very small chicken. You just hatched. You just opened your eyes for the first time. All ducks are yellow. And you too… But you are much more beautiful than the rest. You are special.
Jonas Taylor: [to himself while swimming out to the shark] Just keep swimming, just keep swimming…
Clarence: Strange, isn't it? Each man's life touches so many other lives. When he isn't around he leaves an awful hole, doesn't he?