"Do you remember me telling you we are practicing non-verbal spells, Potter?""Yes,"said Harry stiffly."Yes, sir.""There's no need to call me "sir"Professor."The words had escaped him before he knew what he was saying."
"Dumbledore says people find it far easier to forgive others for being wrong than being right."
"Oh, there you are, Albus,' he said. 'You've been a very long time. Upset stomach?''No, I was merely reading the Muggle magazines,' said Dumbledore. 'I do love knitting patterns."
"I am a wizard, not a baboon brandishing a stick."
"Sometimes you remind me a lot of James. He called it my 'furry little problem' in company. Many people were under the impression that I owned a badly behaved rabbit."
"I don't think you should be an Auror, Harry,"said Luna unexpectedly. Everybody looked at her. "The Aurors are part of the Rotfang Conspiracy, I thought everyone knew that. They're working to bring down the Ministry of Magic from within using a mixture of dark magic and gum disease."