I've only suffered writer's block badly once, and that was during the writing of Chamber of Secrets. I had my first burst of publicity about the first book and it paralysed me. I was scared the second book wouldn't measure up, but I got through it!

Size is no guarantee of power.

I don't believe in magic.

It was important, Dumbledore said, to fight, and fight again, and keep fighting, for only then could evil be kept at bay, though never quite eradicated. . . .

Three turns should do it.

Failure means a stripping away of the inessential.

Oh, it can't be a reference to the fact Harry's a great Seeker, that's way too obvious. There must be a secret message from Dumbledore hidden in the icing!