Related:

• Klingons do not surrender. -- Worf, "The Emissary", stardate 42901.3
• Worf: "Klingons do not allow themselves to be...probed." -- "Violations", Stardate 45429.3
• I think I may sneeze. "A Klingon sneeze?" Only one I know.
  -- Worf and Geordi, "Angel One", stardate 41636.9...
• Make it so. -- Geordi, "Angel One", stardate 41636.9
• Klingons do not faint. -- Worf to Dr. Pulaski, "Up the Long Ladder", stardate 42823.2
• Cowards take hostages. Klingons do not. -- Worf to Yar, "Heart of Glory", stardate 41503.7
• Klingons do not give in to illness. -- Worf to Dr. Pulaski, "Up the Long Ladder", stardate 42823.2
• You were bluffing. Klingons never bluff. -- Geordi and Worf, "The Emissary", stardate 42901.3
• Worf! You're a romantic! It is among the Klingons that love poetry achieves its fullest flower.
  -- Dr. Pulaski and Worf, "Up the Long Ladder", stardate 42823.2...