Related:

• If I can have honesty, it's easier to overlook mistakes. -- Kirk, "Space Seed," stardate 3141.9.
• Sometimes a feeling is all we humans have to go on.
  -- Kirk, "A Taste of Armageddon," stardate 3193.9....
• I'm just glad humans have progressed beyond the need for such barbaric displays.
  Have they? Commander Riker and his father are about to engage in barbarism of their own....
• We humans are full of unpredictable emotions that logic cannot solve.
  -- Kirk, "What Are Little Girls Made Of?" stardate 2712.4....
• Insufficient facts always invite danger. -- Spock, "Space Seed," stardate 3141.9.
• Superior ability breeds superior ambition. -- Spock, "Space Seed," stardate 3141.9.
• Spock: "We have volunteered to rendevous with the Klingon vessel which is bringing Gorkon to Earth, and to escort him safely through Federation space.
  Kirk: "Me?" -- "STVI:TUC", Stardate 9521.6...
• Our species can only survive if we have obstacles to overcome.
  You remove those obstacles. Without them to strengthen us, we will weaken and die....
• We have them just where they want us. -- Captain James T. Kirk