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

- My scar. It keeps burning. - It's happened before.

I thought you said the four of us.

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

Think my name's funny, do you? I've no need to ask yours.

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

No, that's all I need! You to set my bloody kneecups on fire!

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.

Third year, he fought off about a hundred Dementors at once.

Don't move, Potter. I'll get rid of it for you.

Let me introduce my assistant...

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

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

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

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

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.

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