Did you see his face?

Can you imagine the look on old McGonagall's face if we were late?

At the end of the year, the house with the most points is awarded the house cup.

I thought you said the four of us.

To Miss Hermione Granger, for the cool use of intellect...

You see, honorable as your intentions were, you too were out of bed after hours.

A bezoar is a stone taken from the stomach of a goat and it will save you from most poisons.

...gives a student the right to walk about the school at night.

It's the fastest model yet.

Look at it! The new Nimbus 2000!

...prefects will lead their house back to the dormitories.

It's true then, what they're saying on the train.

I shall place the Sorting Hat on your head...

The only problem is, I can't remember what I've forgotten.

- Anything off the trolley, dears? - No, thanks. I'm all set.

You don't want to go making friends with the wrong sort.

There was a time detention would find you hanging by your thumbs in the dungeons.

Nobody, not one.

She's a nightmare, honestly! No wonder she hasn't got any friends.

Not on its own. Trolls are really stupid. Probably people playing jokes.