Related:

• Klingon. I should have said Klingon. In my heart of hearts I am a Klingon.
  -- Q to Worf, "Deja Q", stardate 43539.1...
• You will die like a Klingon. -- Kargan to Riker, "A Matter of Honor", stardate 42506.5
• Come close to me Klingon, let me die with my hands at your throat.
  There is a substance within my cells which you need to survive....
• Long live the Klingon Empire. A wise decision, Captain.
  -- Captain K'Temoc and Worf, "The Emissary", stardate 42901.3...
• You are lucky this is not a Klingon ship. We know how to deal with spies.
  -- Worf to Setal/Jarok, "The Defector", stardate 43462.5...
• Danar. You are cunning, you must have Klingon blood. -- Worf, "The Hunted", stardate 43489.2
• Tarmin: "Well you, Mister Worf, I would love to explore Klingon memories.
  -- "Violations", Stardate 45429.3...
• I am a Klingon. If you doubt it, a demonstration can be arranged.
  That is the response of a Klingon. The response I would expect from my older brother....
• I think I may sneeze. "A Klingon sneeze?" Only one I know.
  -- Worf and Geordi, "Angel One", stardate 41636.9...