But then I remembered that night on the train...

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

No, don't you remember? I told Hermione to tell you...

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

Listen, last night, I'm guessing Snape let the troll in as a diversion...

It's not real, the ceiling. It's just bewitched to look like the night sky.

And a thirst to prove yourself.

- I'm a what? - You can talk to snakes.

Fred gave me a spell as to turn him yellow. Want to see?

It's just, I've never talked to a snake before.

I came to Hagrid from a distant land in the pocket of a traveler.

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

I took a Bludger to the head two minutes in.

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

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

...but this isn't a great time for me to have a house-elf in my bedroom.

I'd guess you have little more than a minute to live.

All students will be escorted to each lesson by a teacher.

...and a stranger turns up who just happens to have one?

An Animagus is a wizard who elects to turn into an animal.