Never insult Albus Dumbledore...

Harry Potter. Can't tell you how pleased I am to meet you.

Sorry.

When I call your name, you will come forth.

Let's see...

Say, Percy, who's that teacher talking to Professor Quirrell?

I prefer Sir Nicholas, if you don't mind.

Then again, maybe some of you have come to Hogwarts in...

...to not pay attention.

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

For your information, Potter...

...asphodel and wormwood make a sleeping potion so

As for monkshood and wolfsbane, they are the same plant, which also goes by the name of aconite.

Fearfully fascinating subject.

Troll! In the dungeon!

- Well, what it is... - It's my fault, Professor McGonagall.

Not many first-year students could take on a full grown mountain troll...

I'm not hungry.

Good luck today, Potter. Then again, now that you've proven yourself against a troll.

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