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

They're an embarrassment to the wizarding world. All of them.

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

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

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

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

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

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