Warlock D. J. Prod of Didsbury says: “My wife used to sneer at my feeble charms, but one month into your fabulous Kwikspell course and I succeeded in turning her into a yak! Thank you, Kwikspell!

Dudley had reached roughly the size and weight of a young killer whale.

Yeah, well, food's one of the five exceptions to Gamp's Law of Elemental Transfigurations," said Ron, to general astonishment.

The castle grounds were gleaming in the sunlight as though freshly painted; the cloudless sky smiled at itself in the smoothly sparkling lake, the satin-green lawns rippled occasionally in a gentle breeze: June had arrived.

Choice was dangerous: you had to forgo all other possibilities when you chose.

Pity you can't attach an extra arm to your [broom], Malfoy. Then it could catch the Snitch for you.

Yes, it has made me happier. Finishing them has made me happier. Before I wrote the Potter books, I'd never finished a novel. I came close to finishing two.