The staircases change, remember?

I remember reading something in Herbology.

We've looked a hundred times!

Waste of bloody time, if you ask me.

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

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

At the end of the year, the house with the most points is awarded the house cup.

The what?

That's what's under the trap door. The Philosopher's Stone.

Troll in the dungeon!

I'll do the countercurse!

Nicholas Flamel is the only known maker of the Philosopher's Stone.

...and produces the Elixir of Life which will make the drinker immortal."

- That explains the blood. - Blood?

God, I miss the screaming.

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

I knew the name sound familiar. I read it on the train that day.

It's Snape. He's jinxing the broom!

I don't appreciate the insinuation, Longbottom.

The day I was at Gringotts, Hagrid took something out of one of the vaults.