Do you mean ter tell me," he growled at the Dursleys, "that this boy—this boy!—knows nothin' abou'—about ANYTHING?"
Harry thought this was going a bit far. He had been to school, after all, and his marks weren't bad.
"I know some things," he said. "I can, you know, do math and stuff.

You know that look that women get when they want to have sex? Me neither.

When we come face-to-face with one down a dark alley, we're going to be having a shufti to see if it's solid, aren't we, we're not going to be asking, 'Excuse me, are you the imprint of a departed soul?

By all means continue destroying my possessions. I daresay I have too many.

Yeah, Quirrell was a great teacher. There was just that minor drawback of him having Lord Voldemort sticking out of the back of his head!

They had reached Lockhart's classroom...'You could've fried an egg on your face" said Ron. 'You'd better hope Creevey doesn't meet Ginny, or they'll be starting a Harry Potter fan club.'
'Shut up,' snapped Harry. The last thing he needed was for Lockhart to hear the phrase 'Harry Potter fan club.