I had the idea of a boy who was a wizard and didn't yet know what he was. I never sat down and wondered, "What shall I write about next?". It just came, fully formed.

You'll stay with me?' Until the very end,' said James.

Why would I go looking for someone I know wants to kill me?

All those poor elves I haven’t set free yet, having to stay over during Christmas because there aren’t enough hats!

"Well, we were always going to fail that one," said Ron gloomily as they ascended the marble staircase. He had just made Harry feel rather better by telling him how he told the examiner in detail about the ugly man with a wart on his nose in the crystal ball, only to look up and realize he had been describing the examiner's reflection.

Abundance is the quality of life you live and quality of life you give to others.

I think it’s the books that you read when you’re young that live with you forever.