Come on!

They are Gryffindor, Hufflepuff...

Ron, Hermione, you'll come with me.

Harry Potter has come to Hogwarts.

Train's leaving. Go on. Come on, hurry up.

Parvati Patil said that she wouldn't come out of the girl's bathroom.

Oh, are you doing magic? Let's see, then.

Me? Books and cleverness. There are more important things.

If Harry and Ron hadn't come and found me, I'd probably be dead.

...before either of you come up with another clever idea to get us killed.

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

Come on now, hurry up. Stick your right hand over the broom and say, "Up."

Not on its own. Trolls are really stupid. Probably people playing jokes.

We'll soon find out that some wizarding families are better than others, Potter.

Oh, good God, man, you're not still on about that bloody dragon, are you?

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

The Philosopher's Stone.

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

This is the most direct path to the dormitories.

...who possess the predisposition...