From Harry Potter and the Chamber of Secrets
“Harry Potter!” said the creature in a high-pitched voice Harry was sure would carry down the stairs. “So long has Dobby wanted to meet you, sir … Such an honor it is … ”
“Th-thank you,” said Harry, edging along the wall and sinking into his desk chair, next to Hedwig, who was asleep in her large cage. He wanted to ask, “What are you?” but thought it would sound too rude, so instead he said, “Who are you?”
“Dobby, sir. Just Dobby. Dobby the house-elf,” said the creature. (CS2)
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[Harry] “I’m sorry,” he whispered, “I didn’t mean to offend you or anything.”
“Offend Dobby!” choked the elf. “Dobby has never been asked to sit down by a wizard — like an equal –”
Harry, trying to say “Shh!” and look comforting at the same time, ushered Dobby back onto the bed where he sat hiccoughing, looking like a large and very ugly doll. At last he managed to control himself, and sat with his great eyes fixed on Harry in an expression of watery adoration.
“You can’t have met many decent wizards,” said Harry, trying to cheer him up. (CS2)
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“Bad Dobby! Bad Dobby!” (CS2)
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“Dobby will have to punish himself most grievously for coming to see you, sir. Dobby will have to shut his ears in the oven door for this.” (CS2)
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“Dobby is always having to punish himself for something, sir. They lets Dobby get on with it, sir. Sometimes they reminds me to do extra punishments … ”
“But why don’t you leave? Escape?”
“A house-elf must be set free, sir. And the family will never set Dobby free … Dobby will serve the family until he dies, sir … ” (CS2)
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“Harry Potter asks if he can help Dobby … Dobby has heard of your greatness, sir, but of your goodness, Dobby never knew . …..” (CS2)
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“Harry Potter is valiant and bold! He has braved so many dangers already! But Dobby has come to protect Harry Potter, to warn him, even if he does have to shut his ears in the oven door later… Harry Potter must not go back to Hogwarts.” (CS2)
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“Harry Potter mustn’t be angry with Dobby. Dobby did it for the best – ” (CS10)
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“Dobby is used to death threats, sir. Dobby gets them five times a day at home.” (CS10)
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“This, sir?” said Dobby, plucking at the pillowcase. “‘Tis a mark of the house-elf’s enslavement, sir. Dobby can only be freed if his masters present him with clothes, sir. The family is careful not to pass Dobby even a sock, sir, for then he would be free to leave their house forever.” (CS10)
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“Ah, if Harry Potter only knew!” Dobby groaned, more tears dripping onto his ragged pillowcase. “If he knew what he means to us, to the lowly, the enslaved, we dregs of the magical world! (CS10)
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“Come, Dobby. I said, come!”
But Dobby didn’t move. He was holding up Harry’s disgusting, slimy sock, and looking at it as though it were a priceless treasure.
“Master has given a sock,” said the elf in wonderment. “Master gave it to Dobby.”
“What’s that?” spat Mr. Malfoy. “What did you say?”
“Dobby has got a sock,” said Dobby in disbelief. “Master threw it, and Dobby caught it, and Dobby — Dobby is free.” (CS10)
From Harry Potter and the Goblet of Fire
“Ah, sir,” said Winky, shaking her head, “ah sir, meaning no disrespect, sir, but I is not sure you did Dobby a favor, sir, when you is setting him free.”
“Why?” said Harry, taken aback. “What’s wrong with him?”
“Freedom is going to Dobby’s head, sir, ” said Winky sadly. “Ideas above his station, sir. Can’t get another position, sir.”
“Why not?” said Harry.
Winky lowered her voice by a half-octave and whispered, “He is wanting paying for his work, sir.” (GF8)
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“Professor Dumbledore offered Dobby ten Galleons a week, and weekends off,” said Dobby, suddenly giving a little shiver, as though the prospect of so much leisure and riches were frightening, “but Dobby beat him down, miss. . . . Dobby likes freedom, miss, but he isn’t wanting too much, miss, he likes work better.” (GF21)
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“‘Tis part of the house-elf’s enslavement, sir. We keeps their secrets and our silence, sir. We upholds the family’s honor, and we never speaks ill of them – though Professor Dumbledore told Dobby he does not insist upon this. Professor Dumbledore said we is free to – to-”
Dobby looked suddenly nervous and beckoned Harry closer. Harry bent forward. Dobby whispered, “He said we is free to call him a – a barmy old codger if we likes, sir!” (GF21)
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“Dobby likes Professor Dumbledore very much, sir, and is proud to keep his secrets and our silence for him.” (GF21)
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“Yeah, well, Percy wouldn’t want to work for anyone with a sense of humor, would he?” said Ron, now starting on a chocolate eclair. “Percy wouldn’t recognize a joke if it danced naked in front of him wearing Dobby’s tea cozy.” (GF21)
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[To Harry] “Socks are Dobby’s favorite, favorite clothes, sir!” he said, ripping off his odd ones and pulling on Uncle Vernon’s. “I has seven now, sir. . . . But sir …” he said, his eyes widening, having pulled both socks up to their highest extent, so that they reached to the bottom of his shorts, “they has made a mistake in the shop, Harry Potter, they is giving you two the same!” (GF23)
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“Dobby hears things, sir, he is a house-elf, he goes all over the castle as he lights the fires and mops the floors (GF26).
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[After using the Gillyweed to save Ron] Next time he was in Hogsmeade, Harry decided as he walked back up the stone steps into the castle, he was going to buy Dobby a pair of socks for every day of the year (GF26).
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[Shopping in Hogsmeade for socks] They went into Gladrags Wizardwear to buy a present for Dobby, where they had fun selecting the most lurid socks they could find, including a pair patterned with flashing gold and silver stars, and another that screamed loudly when they became too smelly (GF27).
From Harry Potter and the Order of the Phoenix
None of them will clean Gryffindor Tower any more, not with the hats and socks hidden everywhere, they finds them insulting, sir. Dobby does it all himself, sir, but Dobby does not mind, sir, for he always hopes to meet Harry Potter and tonight, sir, he has got his wish!’ Dobby sank into a deep bow again. ‘But Harry Potter does not seem happy,’ Dobby went on, straightening up again and looking timidly at Harry. ‘Dobby heard him muttering in his sleep. Was Harry Potter having bad dreams?’ (OP18)
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Harry arrived early in the Room of Requirement for the last DA meeting before the holidays and was very glad he had, because when the torches burst into flame he saw that Dobby had taken it upon himself to decorate the place for Christmas. He could tell the elf had done it, because nobody else would have strung a hundred golden baubles from the ceiling, each showing a picture of Harry’s face and bearing the legend: ‘HAVE A VERY HARRY CHRISTMAS! (OP21)
From Harry Potter and the Half-Blood Prince
“Kreacher will not insult Harry Potter in front of Dobby, no he won’t, or Dobby will shut Kreacher’s mouth for him!” cried Dobby in a high-pitched voice.
“— kicky, scratchy!” cried Peeves happily, now pelting bits of chalk at the elves to enrage them further. “Tweaky, pokey!” (HBP19)
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“Dobby is a free house-elf and he can obey anyone he likes and Dobby will do whatever Harry Potter wants him to do!” (HBP19)
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“Yes, Harry Potter!” said Dobby at once, his great eyes shining with excitement. “And if Dobby does it wrong, Dobby will throw himself off the topmost tower, Harry Potter!”
“There won’t be any need for that,” said Harry hastily (HBP19).