Have a biscuit, Potter.

We teachers are rather good at magic, you know.

Are you quite sure you wouldn't like a cough drop, Dolores?

Professor Mcgonagall: Why is it when something bad happens, it's always you three? Ron: Believe me, professor, I've been asking myself the exact same thing for the past six years.

I think so,' said Professor McGonagall dryly, 'we teachers are rather good at magic, you know.

Fifty?” Harry gasped.
“Fifty points each,” said Professor McGonagall, breathing heavily.
“Professor — please —”
“You can’t —”
“Don’t tell me what I can and can’t do, Potter. I’ve never been more ashamed of Gryffindor students.