Potter is mocked by a faculty member for the idea that there is evil in the world from which even children need to learn to defend themselves by the actual practice of doing so rather than familiarity with theory.

Ah" said Dumbledore gently, "Yes I thought we might hit that little snag!" "Snag?" said Fudge, his voice still vibrating with joy. "I see no snag, Dumbledore!" "Well," said Dumbledore apologetically, "I'm afraid I do." "Oh, really?" "Well it's just that you seem to be labouring under the delusion that I am going to -- come quietly. I am afraid I am not going to come quietly at all, Cornelius. I have absolutely no intention of being sent to Azkaban. I could break out, of course -- but what a waste of time, and frankly, I can think of a whole host of things I would rather be doing.

Of course not,” said Hermione. “Everything we need is here on this paper.

Parry Otter, the Chosen Boy Who - well - something of that sort.

I am not a particularly thick-skinned person.

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.

He dreamed of London and of a life that mattered.