Related:

• Power is danger. -- The Centurion, "Balance of Terror," stardate 1709.2.
• War is never imperative. -- McCoy, "Balance of Terror," stardate 1709.2
• Kirk: "Clear the bridge." -- "STII:TWOK", Stardate 8130.4
• First study the enemy. Seek weakness. -- Romulan Commander, "Balance of Terror," stardate 1709.2.
• Chang: "'To be or not to be?' That is the question which preoccupies our people, Captain Kirk.
  We need breathing room." Kirk: "Earth, Hitler, 1938....
• A room should reflect its occupant. -- Kirk, "Wink of an Eye," stardate 5710.5.
• Kirk: "Engine Room, what's happening?" -- "STII:TWOK", Stardate 8130.4
• Riker: "These are your quarters." Troi: "Thanks for your help.
  Come in for a minute?" -- "Conundrum", Stardate 45494.2...
• 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....