Wikia

Minerva McGonagall: "False hope? He has achieved high marks in all his Defence Against the Dark Arts tests -"

Dolores Umbridge: "I'm terribly sorry to have to contradict you, Minerva, but as you will see from my note, Harry has been achieving very poor results in his classes with me -"

Minerva McGonagall: "I should have made my meaning plainer. He has achieved high marks in all Defence Against the Dark Arts tests set by a competent teacher."