Something that, conveniently enough, lies in your pocket.

All I ask is for something in return.

That's not just a broomstick, Harry, it's a Nimbus 2000!

Your previous instruction in this subject has been disturbingly uneven.

A gift from Draco's father.

It was you from the beginning. You put my name in the Goblet of Fire.

You may find yourselves facing your worst fears in this room.

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

At least no one on the Gryffindor team had to buy their way in.

...asphodel and wormwood make a sleeping potion so

Come on, Harry, time for a spot of breakfast.

Clearly, Hermione knows. Seems a pity not to ask her.

- Norbert? - Yeah, well, he's gotta have a name, don't he?

And I have a few last-minute points to award.

I won it. Off a stranger I met down at the pub.

I don't give a damn what your father thinks, Malfoy.

Finally, it takes a great deal of bravery to stand up to your enemies...

Where, Mr Potter, would you look if I asked you to find me a bezoar?

Hogwarts teacher or not, I know a spell when I see one. I've read all about them.

Maybe if the fat lump had given this a squeeze, he'd have remembered to fall on his fat arse.