Related:

• Military secrets are the most fleeting of all. -- Spock, "The Enterprise Incident," stardate 5027.
  4....
• It would be illogical to kill without reason. -- Spock, "Journey to Babel," stardate 3842.4.
• Logic and practical information do not seem to apply here.
  You admit that? To deny the facts would be illogical, Doctor....
• 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....
• Totally illogical, there was no chance. -- Spock, "The Galileo Seven," stardate 2822.3.
• Spock: "As a teacher on a training mission, I am content to command the Enterprise.
  If we are to go on actual duty, it is clear that the senior officer on board must assume command....
• 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....
• 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....