Related:

• First study the enemy. Seek weakness. -- Romulan Commander, "Balance of Terror," stardate 1709.2.
• War is never imperative. -- McCoy, "Balance of Terror," stardate 1709.2
• Our people are warriors, often savage, but we are also many other pleasant things.
  -- Romulan Commander, "The Enterprise Incident," stardate 5027.3....
• Saavik: "Permission to speak candidly, sir." Kirk: "Granted.
  Saavik: "I don't believe this was a fair test of my command abilities....
• David: "Lieutenant Saavik was right. You never have faced death.
  Kirk: "No, not like this. I haven't faced death....
• Romulan women are not like Vulcan females. We are not dedicated to pure logic and the sterility of non-emotion.
  -- Romulan Commander, "The Enterprise Incident," stardate 5027.3....
• We have always fought. We must; we are hunters ...
  acking and taking what we need. There are poor planets in the Klingon systems ....
• Power is danger. -- The Centurion, "Balance of Terror," stardate 1709.2.
• For what it's worth, I understand your bitterness. With respect sir, you cannot.
  I am asked to give up the very lifeblood of my mother and my father to those who murdered them....