Dumbledore: Minerva, that's mean! What did I tell you about comparing Dolores Umbridge to Voldemort?
McGonagall: That it's offensive to Voldemort?
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Dumbledore: Minerva, that's mean! What did I tell you about comparing Dolores Umbridge to Voldemort?
McGonagall: That it's offensive to Voldemort?
[WHILE DOING GROUP YOGA]
McGonagall: Release ALL of the sounds trapped inside your mind.
Snape: AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
McGonagall: You know what they say about drinking alone?
Snape: That there's twice as much to drink?
MCGonagall: ... Touche.
McGonagall: Did you just refer to a knife as a 'people-opener'?
Snape: Should I not have?
Harry: (raises hand)
McGonagall: Yes, Potter, you can go to the restroom.
Harry: No, Professor, I know the answer.
McGonagall: (laughs)
McGonagall: Wait. You're serious?
I was born for politics. I have great hair and I love lying.
Gilderoy Lockhart
Dumbledore: You have a question, Mr. Black?
Sirius: Yeah.
Sirius: It's hard to picture you as a boy.
Sirius: Did your parents call you Professor Dumbledore?
Lupin: Have a good day!
Draco: Don't tell me what to do.