“Rack your brains, that should only take a couple of seconds.”

“Only one pair was still battling, apparently unaware of the new arrival. Harry saw Sirius duck Bellatrix's jet of red light: he was laughing at her.'Come on, you can do better than that!' he yelled, his voice echoing around the cavernous room.The second jet of light hit him squarely in the chest.The laughter had not quite died from his face, but his eyes widened in shock.”

“Not at all up to your usual standard, Hermione. Only one out of three, I’m afraid. I have not been helping Sirius get into the castle and I certainly don’t want Harry dead. But I won’t deny that I am a werewolf.”

“It seemed to take Sirius an age to fall: his body curved in a graceful arc as he sank backwards through the ragged veil hanging from the arch.”

“Children's books aren't textbooks. Their primary purpose isn't supposed to be "Pick this up and it will teach you this." It's not how literature should be. You probably do learn something from every book you pick up, but it might be simply how to laugh.”

“Don't play," said Hermione at once."Say you're ill," said Ron."Pretend to break your leg," Hermione suggested."Really break your leg," said Ron.”

“Everybody finished the song at different times. At last, only the Weasley twins were left singing along to a very slow funeral march.”