Related:

• Actual war is a very messy business. Very, very messy business.
  -- Kirk, "A Taste of Armageddon," stardate 3193.0....
• Sometimes a feeling is all we humans have to go on.
  -- Kirk, "A Taste of Armageddon," stardate 3193.9....
• 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!...
• What happened to all the people? War? Disease? A dissatisfied customer?
  -- Troi, Worf, Data, and Geordi, "Arsenal of Freedom", stardate 41798.2...
• Obviously the subject of death was in the air, but more as something to be avoided than harped upon.
  Possibly the horror that Zaphod experienced at the prospect of being reunited with his deceased relatives led on to the thought that they might just feel the same way about him and, what's more, be able to do something about helping to postpone this reunion....
• The best thing about war is that it makes it all right to hate. -- Solomon Sho
• Kirk: "Physician, heal thyself." McCoy: "Is that all you got to say?
  What about my performance?" Kirk: "I'm not a drama critic." -- "STII:TWOK", Stardate 8130.3...
• McCoy: "But Admiral, what about the rest of the inspection?
  Kirk: ["Later."] -- "STII:TWOK", Stardate 8130.4...