I've no idea where ideas come from and I hope I never find out; it would spoil the excitement for me if it turned out I just have a funny little wrinkle on the surface of my brain which makes me think about invisible train platforms.

Raindrops the size of bullets thundered on the castle windows for days on end; the lake rose, the flower beds turned into muddy streams, and Hagrid’s pumpkins swelled to the size of garden sheds.

There is a lot of comedy in magic, and magic going wrong, and also it is a dramatic subject.

She kept asking herself whether, if he had looked cleaner, she might have been more concerned; whether, on some subliminal level, she had confused his obvious signs of neglect with street-smartness, toughness and resilience.

The hippogriff took off into the air. . . . He and his rider became smaller and smaller as Harry gazed after them . . . then a cloud drifted across the moon. . . . They were gone.

Why don't you confer with Mr. Finnigan? As I recall, he has a particular proclivity for pyrotechnics.

Death comes for us all in the end.