Dumbledore says people find it far easier to forgive others... - J.K. Rowling, Harry Potter and the Half-Blood Prince

"Well you seemed too busy to call him a prat and I thought someone should."

"Nobody's ever asked me to a party before, as a friend. Is that why you dyed your eyebrow, for the party? Should I do mine too?"

"Am I about to discover where you, Ron, and Hermione disappeared to while you were supposed to be in the back room of Fred and George's shop?''How did you...?''Harry, please. You're talking to the man who raised Fred and George."

"I see a light in the kitchen. Let us not deprive Molly any longer of the chance to deplore how thin you are."

"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."