It's just hard," Harry said finally, in a low voice, "to realize he won't write me again

What do we want to be prefects for?” said George, looking revolted at the very idea. “It’d take all the fun out of life.

The Potter books in general are a prolonged argument for tolerance, a prolonged plea for an end to bigotry. And I think it's one of the reasons that some people don't like the books, but I think that's it's a very healthy message to pass on to younger people that you should question authority and you should not assume that the establishment or the press tells you all of the truth.

You - will - never - touch - our - children - again!' screamed Mrs. Weasley. Bellatrix laughed, the same exhilarated laugh her cousin Sirius had given as he toppled backwards through the veil, and suddenly Harry knew what was going to happen before it did. Molly's curse soared beneath Bellatrix's outstretched arm and hit her squarely in the chest, directly over her heart. Bellatrix's gloating smile froze, her eyes seemed to bulge: for the tiniest space of time she knew what had happened, and then she toppled, and the watching crowd roared, and Voldemort screamed.

I believe in hard work and luck, and that the first often leads to the second

Hey, look — Harry’s got a Weasley sweater, too!” Fred and George were wearing blue sweaters, one with a large yellow F on it, the other a G. “Harry’s is better than ours, though,” said Fred, holding up Harry’s sweater. “She obviously makes more of an effort if you’re not family.

Everybody finished the song at different times. Dumbledore conducted their last few lines with his wand and when they had finished, he was one of those who clapped loudest. 'Ah music,' he said, wiping his eyes. 'A magic beyond all we do here!