Related:

• As a Vulcan you will study it [Romulan society]. As a human, you would find ways to appreciate it.
  -- Romulan Commander, "The Enterprise Incident," stardate 5027.3....
• 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....
• First study the enemy. Seek weakness. -- Romulan Commander, "Balance of Terror," stardate 1709.2.
• I have heard of the Vulcan integrity and personal honor.
  There is a well-known saying, or is it a myth, that Vulcans are incapable of lying....
• Our people are warriors, often savage, but we are also many other pleasant things.
  -- Romulan Commander, "The Enterprise Incident," stardate 5027.3....
• Another war...must it always be so? How many comrades have we lost in this way?
  ... Obedience. Duty. Death, and more death... -- Romulan Commander, "Balance of Terror," stardate 1709....
• LaForge: "Commander, he's not worth it." -- "Deja Q", Stardate 43539.1
• He's not going anywhere Lieutenant. -- Dr. Crusher to Worf about a Romulan, "The Enemy", stardate 43349.
  2...
• A cloud of purple smoke appears, then clears away to reveal a tall sorcerer wearing tacky shoes.
  He makes a note of what you've just said, and says "Be nice....