“NO!”The scream was the more terrible because he had never expected or dreamed that Professor McGonagall could make such a sound.”

“Hello, Professor McGonagall,” said Moody calmly, bouncing the ferret still higher.“What — what are you doing?” said Professor McGonagall, her eyes following the bouncing ferret’s progress through the air.“Teaching,” said Moody.“Teach — Moody, is that a student?” shrieked Professor McGonagall, the books spilling out of her arms.“Yep,” said Moody.“Moody, we never use Transfiguration as a punishment!” said Professor McGonagall weakly.”

“He had no more imaginary space, nowhere he could escape to, no more expectations, all he could do was make himself available to the present moment, to what was immeasurable, the terrible profusion of moments that make up a day.”

“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.”

“I—I didn't think—""That," said Professor McGonagall, "is obvious.”

“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.”