"Why would Harry Potter try to get inside Ravenclaw Tower? Potter belongs in my house!"
Beneath the disbelief and anger, Harry heard a little strain of pride in her voice, and affection for Minerva McGonagall gushed up inside him.
Carrow: "Couple of kids more or less, what's the difference?"
McGonagall: "Only the difference between truth and lies, courage and cowardice. A difference, in short, which you and your sister seem unable to appreciate."
"This boy has as much chance of becoming an Auror as Dumbledore has of ever returning to this school."
"A very good chance, then," said Professor McGonagall.
You look in excellent health to me, Potter, so you will excuse me if I don't let you off homework today. I assure you that if you die, you need not hand it in.Minerva McGonagall in Harry Potter and the Prisoner of Azkaban
Harry witnessed Professor McGonagall walking right past Peeves who was determinedly loosening a crystal chandelier and could have sworn he heard her tell the poltergeist out of the corner of her mouth, "It unscrews the other way."Minerva McGonagall in Harry Potter and the Order of the Phoenix
The aged caretaker had just come hobbling into view, shouting, "Students out of bed! Students in the corridors!"
"They’re supposed to be, you blithering idiot!" shouted McGonagall.
It's high time your grandmother learned to be proud of the grandson she's got, rather than the one she thinks she ought to have.Minerva McGonagall in Harry Potter and the Half-Blood Prince
He has achieved high marks in all Defense Against the Dark Arts tests set by a competent teacher.Minerva McGonagall in Harry Potter and the Order of the Phoenix
"Hogwarts is threatened!" shouted Professor McGonagall. "Man the boundaries, protect us, do your duty to our school!"Minerva McGonagall in Harry Potter and the Deathly Hallows
We teachers are rather good at magic, you know.Minerva McGonagall in Harry Potter and the Deathly Hallows
His name is Voldemort. Filius, you might as well use it. He's going to try to kill you either way.Minerva McGonagall in Harry Potter and the Deathly Hallows
"I wonder," said Professor McGonagall in cold fury, turning on Professor Umbridge, "how you expect to gain an idea of my usual teaching methods if you continue to interrupt me? You see, I do not generally permit people to talk when I am talking."Minerva McGonagall in Harry Potter and the Order of the Phoenix
Trelawney: "I dare not, Headmaster! If I join the table, we shall be thirteen! Nothing could be more unlucky! Never forget that when thirteen dine together, the first to rise will be the first to die!"
McGonagall: "We'll risk it, Sybill. Do sit down, the turkey's getting stone cold."
Dumbledore would have been happier than anybody to think that there was a little more love in the world.Minerva McGonagall in Harry Potter and the Half-Blood Prince
"My grandmother thinks Charms is a soft option," mumbled Neville.
"Take Charms," said Professor McGonagall, "and I shall drop Augusta a line reminding her that just because she failed her Charms O.W.L., the subject is not necessarily worthless."
Are you quite sure you wouldn't like a cough drop, Dolores?Minerva McGonagall in Harry Potter and the Order of the Phoenix
The lesson even your father sometimes failed to heed is that bravery doesn’t forgive stupidity. Always think. Think what’s possible.Minerva McGonagall in Harry Potter and the Cursed Child
Perhaps it would be more useful if I were to transfigure Mr. Potter and yourself into a pocket watch? That way, one of you might be on time.Minerva McGonagall in Harry Potter and the Philosopher's Stone
"Well, I'm glad you listen to Hermione Granger at any rate," she said, pointing him out of her office.Minerva McGonagall in Harry Potter and the Order of the Phoenix
Transfiguration is some of the most complex and dangerous magic you will learn at Hogwarts. Anyone messing around in my class will leave and not come back. You have been warned.Minerva McGonagall in Harry Potter and the Philosopher's Stone
The time has come for Slytherin House to decide upon its loyalties.SlytherinMinerva McGonagall in Harry Potter and the Deathly Hallows