Don't let this hardened warrior scare you! Underneath his rugged exterior is a good empathetic friend to many - and killer one-liners.
From hilarious to inspirational, we compiled our favorite lines from our favorite Klingon across both Star Trek: TNG and DS9. What are your favorite Worf quotes?
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"Sins of the Father"
The Next Generation: Season 3, episode 17
"I am KLINGON! If you doubt it, a demonstration can be arranged!"
The Next Generation: Season 4, episode 20
"Sir, I protest, I am not a merry man!"
Deep Space Nine: Season 6, episode 24
"I am a Klingon warrior and a Starfleet officer. I have piloted starships through Dominion minefields. I have stood in battle against Kelvans twice my size. I courted and won the heart of the magnificent Jadzia Dax. If I can do these things, I can make this child go to sleep."
"A Fistful of Datas"
The Next Generation: Season 6, episode 8
"What are his rights in this century? Is there a trial, or shall I execute him?"
Deep Space Nine: Season 4, episode 10
"Our gods are dead. Ancient Klingon warriors slew them a millennia ago. They were more trouble than they were worth."
The Next Generation: Season 2, episode 21
"If there is nothing to lose, no sacrifice, then there is nothing to gain."
"Take Me Out to the Holosuite"
Deep Space Nine: Season 7, episode 4
"Death to the opposition!"
The Next Generation: Season 5, episode 17
"A warrior does not let a friend face danger alone."
"Coming of Age"
The Next Generation: Season 1, episode 19
"Thinking about what you can't control only wastes energy, and creates its own enemy."
Many, MANY, episodes
"I do not understand."