Read as much as you possibly can. Nothing will help you as much as reading.

You never get it right, you people, do you? Either we've got Fudge, pretending everything's lovely while people get murdered right under his nose, or we've got you, chucking the wrong people into jail and trying to pretend you've got 'The Chosen One' working for you!

Gilderoy Lockhart is also a lot like someone I once knew, but I don't think I'd better elaborate!

P.S. I enjoy acid pops.

How come the Muggles don’t hear the bus?” said Harry. “Them!” said Stan contemptuously. “Don’ listen properly, do they? Don’ look properly either. Never notice nuffink, they don’.

It is one of the most hauntingly beautiful places in the world, the history is fascinating, the men are handsome and the whisky is delicious. But don't eat the macaroni pies.

If you are writing children's books, you need to be a ruthless killer.