You sometimes have to join forces with those you'd rather avoid.

I’ll make Goyle do lines, it’ll kill him, he hates writing,” said Ron happily. He lowered his voice to Goyle’s low grunt and, screwing up his face in a look of pained concentration, mimed writing in midair. “I... must... not... look... like... a... baboon’s... backside.

I don't believe in the kind of magic in my books. But I do believe something very magical can happen when you read a good book.

There you go, Harry!” Ron shouted over the noise. “You weren’t being thick after all — you were showing moral fiber!

I wasn't paying attention," said Myrtle dramatically. "Peeves upset me so much I came in here and tried to kill myself. Then, of course, I remembered that I'm -- that I'm --" "Already dead," said Ron hopefully. Myrtle gave a tragic sob, rose up in the air, turned over, and dived headfirst into the toilet, splashing water all over them and vanishing from sight, although from the direction of her muffled sobs, she had come to rest somewhere in the U-bend.

I loathe people who say, 'I always read the ending of the book first.' That really irritates me, It's like someone coming to dinner, just opening the fridge and eating pudding, while you're standing there still working on the starter. It's not on.

For a split second, Harry thought how absurd it was for Tonks to expect the dummy to hear her talking that quietly through a sheet of glass, when there were buses rumbling along behind her and all the racket of street full of shoppers. Then he reminded himself that dummies could not hear anyway.