“Suddenly the Professor started as if he had been electrified. "Why, I had nearly forgotten the most important part of the entertainment! The Other Professor is to recite a Tale of a Pig I mean a Pig-Tale," he corrected himself. "It has Introductory Verses at the beginning, and at the end."It can’t have Introductory Verses at the end, can it?" said Sylvie.Wait till you hear it," said the Professor: "then you will see. I’m not sure it hasn’t some in the middle, as well.”

“ladies & gentlemen," the Professor began, "the Other Professor is so kind as to recite a Poem. The title of it is 'The Pig-Tale.' He never recited it before!" (General cheering among the guests.) "He will never recite it again!" (Frantic excitement, & wild cheering all down the hall, the Professor himself mounting the table in hot haste, to lead the cheering, & waving his spectacles in one hand & a spoon in the other.)”

“You know, Professor, this stray kitten and you have one very important thing in common.''I can't imagine,' responded the professor coolly.'Your life is the most important thing in the world to you,' said His Holiness. 'Same for this kitten.”

“The sum of things to be known is inexhaustible, and however long we read, we shall never come to the end of our story-book."(Introductory lecture as professor of Latin at University College, London, 3 October 1892)”

“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.”

“When I came into your life your life was over. It had a beginning, a middle, and an end. This is the end. You can say that things could have turned out differently. That they could have been some other way. But what does that mean? They are not some other way. They are this way.”