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

He received an urgent owl from the Ministry of Magic and left immediately for London.

When I blow my whistle, I want each of you to kick off from the ground, hard.

...note that five points will be taken from your house...

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

Wait a minute. "One of the teachers"?

powerful it is known as the Draught of the Living Dead.

But Hagrid, we're not allowed to do magic away from Hogwarts. You know that.

I knew you were a danger to me right from the off. Especially after Halloween.

I thought you said the four of us.

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

To Miss Hermione Granger, for the cool use of intellect...

Caveat Smeltonia. Proudest moment of my life.

...all four of you will receive detention.

Of course! There are other things defending the Stone, aren't there?

There are three kinds of balls. This one's called the Quaffle.

Waste of bloody time, if you ask me.

Some of them go bad. A few years ago...

Rubeus Hagrid, Keeper of Keys and Grounds at Hogwarts.

- Of course, you know all about Hogwarts. - Sorry, no.