Killing is not so easy as the innocent believe.

There appears to be something to do with vehicles and movement that stimulates my writing.

I am the freest author in the world.

Silence fell between the four of them as they looked up at the sky. There was no sign of movement, the stars stared back, unblinking, indifferent, unobscured by flying friends. Where was Ron? Where were Fred and Mr Weasley? Where were Bill, Fleur, Tonks, Mad Eye, Mundungus?

Yes, Harry, blessed as I am with extraordinary brainpower, I understood everything you told me. I think you might even consider the possibility that I understood more than you did.

Everything had shattered. The fact that it was all still there — the walls and the chairs and the children’s pictures on the walls — meant nothing. Every atom of it had been blasted apart and reconstituted in an instant, and its appearance of permanence and solidity was laughable; it would dissolve at a touch, for everything was suddenly tissue-thin and friable.

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.