Smiley: How is Madame Grigorieva nowadays? Will she be pleased by a sudden home posting, followed by premature retirement to some inclement part of Russia? You and all your family. No car. No privileges. Unpersons.
Mother Felicity: Please, do not lower your voice merely because I'm a nun. We run a noisy house here and nobody is the less pious for it.
Alexandra: Tatiana is the daughter of a man who is too important to exist. He controls the whole of Russia, but he does not exist. When people arrest Tatiana, her father arranges for her to be freed. He does not exist, but everyone is afraid of him.
Alexandra: People should not attempt to change history. It is the task of history to change people.
Guillam: George, you won!
Smiley: Did I? Yes. Yes, I suppose I did.
Patrick Stewart only appears in one scene and doesn't utter a word, exactly like in Tinker, Tailor, Soldier, Spy.