J. K. Rowling

If you want to know what a man’s like, take a good look at how he treats his inferiors, not his equals.’

Ron obviously realized that he’d gotten Harry into trouble, because he hadn’t called again.

Peeves broke into song:

“Oh, Potter, you rotter, oh, what have you done, you’re killing off’ students, you think it’s good fun—”

Harry, Ron, and Hermione had always known that Hagrid had an unfortunate liking for large and monstrous creatures. During their first year at Hogwarts he had tried to raise a dragon in his little wooden house,

Draco Malfoy made Dudley Dursley look like a kind, thoughtful and sensitive boy.

Gerroff me! Gerroff me!’ squealed the gnome.

you really?’ said Mr Weasley eagerly. ‘Did it go all right? I-I mean,’ he faltered, as sparks flew from Mrs Weasley’s eyes, ‘that-that was very wrong, boys – very wrong indeed …’

The four school houses are named after them: Godric Gryffindor, Helga Hufflepuff, Rowena Ravenclaw and Salazar Slytherin.

It is our choices, Harry, that show what we truly are, far more than our abilities.

Never trust anything that can think for itself if you can’t see where it keeps its brain.