Ah, go boil yer heads, both of yeh", said Hagrid. “Harry — yer a wizard.

Never try to understand the students. They hate it. They would much rather be tragically misunderstood, wallow in self-pity, stew in their own —” “That’s enough, Phineas,” said Dumbledore.

We'll send you a Hogwarts toilet seat!

I feel I owe you another explanation Harry," said Dumbledore hesitantly. "You may, perhaps, wondered why I never chose you as a prefect? I must confess...that I rather thought...you had enough responsibility to be going on with." Harry looked up at him and saw a tear trickling down Dumbledore's face into his long silver beard.

Bill, don’t look at me — I’m ’ideous.

Don't let the muggles get you down.

He felt even angrier that Dumbledore was showing signs of weakness. He had no business being weak when Harry wanted to rage and storm at him.