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.

'It only put me in Gryffindor,' said Harry in a defeated voice, 'because I asked not to go in Slytherin...' 'Exactly' said Dumbledore, beaming once more. 'Which makes you very different from Tom Riddle. It is our choices, Harry, that show what we truly are, far more than our abilities.'

Unlike any other creature on this planet, humans can learn and understand, without having experienced. They can think themselves into other people's places. We do not need magic to change the world, we carry all the power we need inside ourselves already: we have the power to imagine better.

The happiest man on earth would be able to use the Mirror of Erised like a normal mirror, that is, he would look into it and see himself exactly as he is. Does that help?

If you choose to use your status and influence to raise your voice on behalf of those who have no voice; if you choose to identify not only with the powerful, but with the powerless; if you retain the ability to imagine yourself into the lives of those who do not have your advantages, then it will not only be your proud families who celebrate your existence, but thousands and millions of people whose reality you have helped transform for the better. We do not need magic to change the world, we carry all the power we need inside ourselves already: we have the power to imagine better.

I don't think about who the audience is for my books.

Well, hello, Peter,” said Lupin pleasantly, as though rats frequently erupted into old school friends around him. “Long time, no see.