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

That's unicorn blood, that is. I found one dead a few weeks ago.

...the one riding it will find themselves out of Hogwarts before they can say, Quidditch.

The Forest? I thought that was a joke. We can't go in there.

- And did he seem interested in Fluffy? - Well, of course he was interested in Fluffy.

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

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

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

Bit of a nasty shock for him when he found out.

A little game of Quidditch should be easy work for you.

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