Related:

• Offense is a human emotion. -- Sarek of Vulcan, "Journey to Babel," stardate 3842.3.
• Tellarites do no argue for reasons; they simply argue.
  -- Sarek of Vulcan, "Journey to Babel," stardate 3842.4....
• Threats are illogical, and payment is often expensive -- Sarek of Vulcan, "Journey to Babel", stardate 3842.
  3...
• Amanda: "Oh, that's not a dirty word!" -- "Journey To Babel", Stardate 3842.3.
• Andorian Ambassador: "Devote yourself to motivations of passion.
  -- "Journey To Babel", Stardate 3842.3....
• Humans smile with so little provocation. -- Spock, "Journey to Babel," stardate 3842.3.
• It would be illogical to kill without reason. -- Spock, "Journey to Babel," stardate 3842.4.
• Vulcans do not approve of violence. -- Spock, "Journey to Babel," stardate 3842.4.
• Worry is a human emotion. -- Spock, "Journey to Babel," stardate 3842.4