“And then he heard Mad-Eye Moody’s voice, echoing in some distant chamber of his empty brain: Jump onto the desk . . . jump onto the desk. . . .Harry bent his knees obediently, preparing to spring.Jump onto the desk. . . .Why, though? Another voice had awoken in the back of his brain.Stupid thing to do, really, said the voice.Jump onto the desk. . . .No, I don’t think I will, thanks, said the other voice, a little more firmly . . . no, I don’t really want to . . .Jump! NOW!The next thing Harry felt was considerable pain. He had both jumped and tried to prevent himself from jumping — the result was that he’d smashed headlong into the desk, knocking it over, and, by the feeling in his legs, fractured both his kneecaps.”

“It's going to be all right, sir," Harry said over and over again, more worried by Dumbledore's silence than he had been by his weakened voice. "We're nearly there ... I can Apparate us both back ... don't worry ...""I am not worried, Harry," said Dumbledore, his voice a little stronger despite the freezing water. "I am with you.”

“Merlin’s beard, Harry, you made me jump,” said Slughorn, stopping dead in his tracks and looking wary. “How did you get out of the castle?”“I think Filch must’ve forgotten to lock the doors,” said Harry cheerfully, and was delighted to see Slughorn scowl.”

“I am not worried, Harry," said Dumbledore, his voice a little stronger despite the freezing water. "I am with you.”

“Mistletoe," said Luna dreamily, pointing at a large clump of white berries placed almost over Harry's head. He jumped out from under it. "Good thinking," said Luna seriously. "It's often infested with nargles.”

“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...”

“According to Nietzche," said a sharp new voice, making them all jump, "philosophy is the biography of the philosopher.”