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

He missed Hogwarts so much it was like having a constant stomachache. He missed the castle, with its secret passageways and ghosts, his classes, … the mail arriving by owl, eating banquets in the Great Hall, sleeping in his four-poster bed in the tower dormitory, visiting the gamekeeper, Hagrid, in his cabin next to the Forbidden Forest in the grounds, and especially, Quidditch, the most popular sport in the wizarding world

Er — have the Bludgers ever killed anyone?” Harry asked, hoping he sounded offhand. “Never at Hogwarts. We’ve had a couple of broken jaws but nothing worse than that. You don’t have to worry about the Quaffle or the Bludgers —” “— unless they crack my head open.” “Don’t worry, the Weasleys are more than a match for the Bludgers — I mean, they’re like a pair of human Bludgers themselves.

I must admit, Peter, I have difficulty in understanding why an innocent man would want to spend twelve years as a rat.

You're a prefect? Oh Ronnie! That's everyone in the family!" "What are Fred and I? Next door neighbors?

Wherever I am, if I've got a book with me, I have a place I can go and be happy

The sky was a cold iron-grey, like the underside of a shield. A sharp breeze lifted the hems of skirts and rattled the leaves on the immature trees; a spiteful, chill wind that sought out your weakest places, the nape of your neck and your knees, and which denied you the comfort of dreaming, of retreating a little from reality.