Related:

• If there are self-made purgatories, then we all have to live in them.
  -- Spock, "This Side of Paradise," stardate 3417.7....
• Emotions are alien to me. I'm a scientist. -- Spock, "This Side of Paradise," stardate 3417.3.
• Data: "Ambassador Spock, may I ask a personal question?
  Spock: "Please." Data: "As you examine your life, do you find that you have missed your humanity?...
• Humans do have an amazing capacity for believing what they choose -- and excluding that which is painful.
  -- Spock, "And The Children Shall Lead," stardate 5029.5....
• Abe: They say the greatest tragedy is when a father outlives his son.
  I have never fully understood why. Frankly, I can see an up-side to it!...
• I have never understood this liking for war. It panders to instincts already catered for within the scope of any respectable domestic establishment.
  -- Alan Benne...
• Pardek: "Ambassador Spock, of Vulcan." Spock: "Proconsul.
  Neral: "Oh, please, I have never liked titles ever since I was a lowly yulan in the Romulan Guard....
• Spock: "What are you doing on Romulus?" Picard: "That was to have been my question of you, sir.
  -- "Unification II", Stardate Unknow...
• Sarek: "I gave Spock the benefit of experience, of logic!
  He never listened. Never listened." Picard: "It has been suggested that Spock might have defected....