Related:

• Anger is a relative state. -- Spock, "Wolf in the Fold," stardate 3615.4.
• As we know, the value of pi is a transcendental figure without resolution.
  -- Spock, "Wolf in the Fold," stardate 3615.4....
• In the strict scientific sense we all feed on death -- even vegetarians.
  -- Spock, "Wolf in the Fold," stardate 3615.4....
• To us, killing is murder, even for revenge. -- Kirk, "Plato's Stepchildren," stardate 5784.3.
• Deriving sustenance from emotion is not unknown in the galaxy.
  And fear is among the strongest and most violent of the emotions....
• Women are more easily and more deeply terrified ...
  generating more sheer horror than the male of the species....
• The trigger has been pulled. We've got to get there before the hammer falls.
  -- Kirk, "Errand of Mercy," stardate 3198.4....
• When a man feels guilty about something -- something too terrible to remember -- he blots it out of his conscious memory.
  -- McCoy, "Wolf in the Fold," stardate 3614.9....
• Chang: "Tell us that you planned to take revenge for the death of your son.
  Kirk: "That's not true." Worf: "Objection! Captain Kirk has not been identified as the assassin!...