“Stop, stop, stop, you're going to poke someone's eye out!”

“If he doesn't stop trying to save your life he's going to kill you.”

“So Dobby stopped us from getting on the train and broke your arm. . . ." He shook his head. "You know what, Harry? If he doesn't stop trying to save your life he's going to kill you.”

“Malfoy glanced around. Harry knew he was checking for signs of teachers. Then he looked back at Harry and said in a low voice, "You're dead, Potter."Harry raised his eyebrows. "Funny," he said, "you'd think I'd have stopped walking around...”

“I'm serious, Harry, don't go." But Harry only had one thought in his head, which was to get back in front of the mirror, and Ron wasn't going to stop him.That third night he found his way more quickly than before. He was walking so fast he knew he was making more noise than was wise, but he didn't meet anyone.And there were his mother and father smiling at him again, and one of his grandfathers nodding happily. Harry sank down to sit on the floor in front of the mirror. There was nothing to stop him from staying here all night with his family. Nothing at all.”

“Some of the books the Ministry’s confiscated — Dad’s told me — there was one that burned your eyes out. And everyone who read Sonnets of a Sorcerer spoke in limericks for the rest of their lives. And some old witch in Bath had a book that you could never stop reading! You just had to wander around with your nose in it, trying to do everything one-handed. And —”“All right, I’ve got the point,” said Harry.”

“Deliberately causing mayhem in Snape's Potions class was about as safe as poking a sleeping dragon in the eye.”