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?

Bad news, Harry. I've just been to see Professor McGonagall about the Firebolt. She – er, got a bit shirty with me. Told me I'd got my priorities wrong. Seemed to think I cared more about winning the Cup than I do about staying alive. Just because I told her I didn't care if it threw you off, as long as you caught the Snitch first.

I've no idea where ideas come from and I hope I never find out; it would spoil the excitement for me if it turned out I just have a funny little wrinkle on the surface of my brain which makes me think about invisible train platforms.

A Horcrux is the complete opposite of a human being.

Look . . . at . . . me. . . .

Ginny, listen... I can’t be involved with you anymore. We’ve got to stop seeing each other. We can’t be together.” “It’s for some stupid, noble reason, isn’t it?

This group had a kind of dark glamour within the castle. They were a motley collection; a mixture of the weak seeking protection, the ambitious seeking some shared glory, and the thuggish gravitating toward a leader who could show them more refined forms of cruelty.