Related:

• Death. Destruction. Disease. Horror. That's what war is all about.
  That's what makes it a thing to be avoided. -- Kirk, "A Taste of Armageddon," stardate 3193.0....
• It's [war is] instinctive. But the instinct can be fought.
  We're human beings with the blood of a million savage years on our hands!...
• Actual war is a very messy business. Very, very messy business.
  -- Kirk, "A Taste of Armageddon," stardate 3193.0....
• We humans have a streak of barbarism in us -- appalling, but there nevertheless.
  -- Kirk, "Space Seed," stardate 3141.9....
• Data: "I have often wondered what it must be like to have one's mouth.
  ..water in anticipation of the arrival of a confection....
• We humans are full of unpredictable emotions that logic cannot solve.
  -- Kirk, "What Are Little Girls Made Of?" stardate 2712.4....
• Diplomacy should be a job left to diplomats. -- Ambassador Fox, "A Taste of Armageddon," stardate 3192.
  5....
• There is a multi-legged creature crawling on your shoulder.
  -- Spock, "A Taste of Armageddon," stardate 3193.9....
• Kirk: "Well, at least we have them all together." Spock
  Fortuitous, Captain." -- "Catspaw", Stardate 3018.2....