Related:

• Spock: "I was involved with 'cowboy diplomacy', as you described it, long before you were born.
  Picard: "Nevertheless, sir, I am not prepared to leave until your affairs are complete....
• Spock: "Captain, I will not be coming with you." Picard
  Ambassador--" Spock: "The reason for my coming here has never been more clear....
• Picard: "I have come on an urgent mission from the Federation.
  I am looking for Ambassador Spock." Spock: "Indeed!...
• Spock: "What are you doing on Romulus?" Picard: "That was to have been my question of you, sir.
  -- "Unification II", Stardate Unknow...
• Picard: "If you wish to undertake a mission with obvious repercussions for the Federation, then you should *discuss* it with the Federation.
  I am here as their representative. You'll have to discuss it with me....
• Spock: "May I assist you, Commander? I have had some experience in these matters.
  Data: "By all means, Ambassador." -- "Unification II", Stardate 45245.8...
• Spock: "So I ask that you respect my wishes and *leave*." -- "Unification II", Stardate Unknow
• Spock: "I know of your mind meld with my father, which enabled him to complete his last mission.
  Picard: "It was an honor. He's a great man." Spock...
• Spock: "It is no concern of *Starfleet*." Picard: "On the contrary, it is very much Starfleet's concern.
  You're in a position to compromise the security of the Federation....