Pardek: "How could they know of this location? Someone has betrayed
us!" Spock: "Yes, you did." Pardek: "Spock, we've been friends for
eighty years." Spock: "It is the only logical conclusion. You asked
me to come to Romulus, you arranged the meetings with the proconsul.
And you knew that Picard and Data had returned to the surface with
-- "Unification II", Stardate 45245.8