I have to write the story I want to write. I never wrote them with a focus group of 8-year-olds in mind. I have to continue telling the story the way I want to tell it.

I find that discussing an idea out loud is often the way to kill it stone dead.

Magic causes as much trouble as it cures.

Oh, I'm so glad we know what it's called, that's a great help," snarled Ron, leaning back, trying to stop the plant from curling around his neck.

No, Harry, you listen," said Hermione. "We're coming with you. That was decided months ago - years, really.

If you’re not in Gryffindor, we’ll disinherit you,” said Ron, “but no pressure.

Failure is so impor - it doesn't get spoken about enough. We speak about success all the time.